道路交通外文文翻譯--公路防撞護(hù)欄體系

1、<p>　　ROADGUARD BARRIER SYSTEM</p><p>　　The roadguard barrier, 6 feet long, 3.5 feet high, 2 feet wide at base, with its patented design, is the only barrier of its type that self locks without the nee

2、d for additional assistance.</p><p>　　No barrier, other than the roadguard barrier, can self-lock without the need of additional apparatus, such as a cable, strap, rod or coupler.</p><p>　　In ad

3、dition, the roadguard barrier, because of its unique patented design allows for curved configurations of up to 15 degrees at each barrier connection, in either direction, while remaining locked to the adjacent barrier. N

4、o other barrier can make that claim!</p><p>　　Also, the roadguard barrier is designed for the addition of signs screens and flashers because of the built in slots for such devises and is easier to maneuver b

5、ecause of its weight and two carrying slots contained in each barrier.</p><p>　　The patented interior design of the roadguard barrier prevents bulging and keeps its side’s straight and trim while maintaining

6、 a weight of only 125 lbs. Empty but a secure 1675 lbs. </p><p>　　The roadguard corner connector barrier is designed for use with the roadguard barrier as a connecting barrier unit to allow for either left o

7、r right angle turns, or both simultaneously, of between 75 to 105 degrees while locking together all connecting barriers. In addition, the corner connector barrier allows for the initial roadguard barrier line to contin

8、ue after connecting barrier line extensions to the left and/or the right.</p><p>　　Lightweight and easy to handle, the roadguard corner connector barrier is 2 feet in length and width and 3.5 feet in height,

9、 designed to correspond with the roadguard barrier. </p><p>　　Directly beneath the filling hole of the roadguard corner connector barrier is a pin extending upward internally from the bottom of the barrier

10、to secure firmly a pole or pipe that can be inserted downward through the filling hole. Said pole or pipe can be used to attach signage, privacy screens or security panels that extend above the barrier line height.</

11、p><p>　　The roadguard highway assembly is a reinforcement system for highway barriers that distribute and transfer forces that may occur upon impact of a vehicle so that the overall highway barrier system will

12、have greater strength and integrity. The roadguard highway assembly system meets all NCHRP 350, Test Level 3 Truck and Car Crash Test Specifications, and is approved by the FHWA for use on highway construction projects

13、where the posted vehicle speed in a work zone can be as high as 62-mph/100kph.</p><p>　　The roadguard highway assembly is a fabricated steel assembly designed to easily mount to the roadguard barriers. This

14、 ASSEMBLY provides two distinct functions: Providing a strong and resilient outer surface to resist the wheel and bumper of a striking vehicle, and to link the barriers more securely to each other and create a very robus

15、t linear system such that the force of a striking vehicle will be distributed over many barriers, minimizing the lateral movement at the point of impact.</p><p>　　The roadguard security panel is used for per

16、imeter security, safety, crowd control and general site protection. These 6’ x 4’ chain link fence panel units install firmly on a roadguard barrier to give a stable 8 foot high continuous, unbroken protective fence for

17、all security and safety needs. Optional solid material, screen, or interwoven chain link panels are available. </p><p>　　Our study area lies in the north of modern delta of the Huanghe River and it was forme

18、d by the river way of Diaokou in 1964-1976.The Huanghe River has the largest content of silt and may transport about 10.6Gt/a silt into the Bohai sea. The sub-delta was built quickly under the supply of abundant sediment

19、s. The rapid accumulation in the delta always makes the river course to be diverted frequently. The abandoned delta would be eroded and retreated rapidly after diversion because the lack of supp</p><p>　　Wit

20、h the development of economic construction, various kinds of modernized traffic facility, is it pay to set up such as expressway , city, overpass function blown strengthen day by day in communications and transportation,

21、 the development of and the communications and transportation has caused the rapid rising of the traffic accident, traffic Safe and own through becoming a great world difficult problem</p><p>　　The rigidity

22、guardrail is offended the guardrail form not basically out of shape by the automobile, generally point the concept of adopting " safe appearance " of guardrail of modes in Chinese operatic music of concrete wal

23、l of concrete guardrail , through the different sides of slope of appearance mainly, make the automobile moderate , it is high to climb, change direction, last making not colliding kinds of guardrail angle smaller than 1

24、00 car not medium-sized making a change effective to, mak</p><p>　　According to rigidity with can divide into flexible guardrail , semi-rigid guardrail and rigidity guardrail safe form of guardrail. 1)The fl

25、exible guardrail generally points the cable guardrail , is one kind with structure that fixes of many roots on the pillar of cable of exerting prestressing force, totally relying on the stress of drawing of the cable to

26、resist the vehicle and collide, the form is beautiful , not oppressing the sense while going, but the sight leads worse, the fabrication cos</p><p>　　Security guardrail of expressway should prevent high-spee

27、d vehicle that go from exceed outlet, pass through central authorities is it is it is it to lane , can lead the driver's sight correctly to intrude upon to take to separate, make the vehicle get back to normal travel

28、 direction, and it is minimum to reduce malignant degree of the accident to. In a word, high-speed highway safety guardrail reduce traffic accident and reduce accident malignant effective measure of degree, but in should

29、n't set</p><p>　　Because topographical terms , make the investment and technological terms to restrain from many kinds of factor, way side have barrier unavoidably, to exceed vehicle of outlet form the p

30、otential danger. Way side guardrail set up in be able to reduce accident serious place of degree only, its design principle is confirmed according to people's subjective judgement of such factors as class of highway

31、, volume of traffic , vehicle making up and way side characteristic ,etc..</p><p>　　The most ideal guardrail form is that meet function's needs as well as the cost is the lowest, and elegant in appearanc

32、e, and can lead the sight of driving a vehicle . The cable guardrail is suitable for not having evenly no sinking , snow , long straight line , highway section with the special beautiful demand ; The concrete guardrail i

33、s suitable for very dangerous stepping such highway sections as the river bridge , cliff ,etc.; Wave form guardrail have heavy suitability, suitable for all high</p><p>　　In a situation that the volume of tr

34、affic is big, vehicle go at a high speed, is it cross central authorities separate the situation led to happen, may produce the serious consequence , so, the central authorities separate the width that bring as the impor

35、tant basis of setting up guardrail . Anticollision cushion through absorb vehicle collide energy make vehicle's stopping safely, make the vehicle change travel direction, avoid the department and take advantage of pe

36、rsonnel's receiving faciliti</p><p>　　The anticollision guardrail includes the concrete functions of four respects: 1)Prevent vehicle from jump outlet (bridge ) outside, is it bring to separate to centra

37、l authorities but speech, is it prevent vehicle from pass through central authorities is it take but intrude upon correctly the lane to separate to want; Meanwhile , is it get off vehicle get out under partial toing the

38、breast board , or break the guardrail to defend; 2)The guardrail should be able to make the vehicle reply to and st</p><p>　　Real car full size is it is it offend with actual automobile guardrail is it imita

39、te a kind of research approach of traffic accident to come to test to bump into. It can get automobile sport orbit and sport posture in the course of striking , such true believable technical parameters as the number val

40、ue of shock power ,etc. of deformation and damage characteristic and colliding of the automobile and guardrail , thus offered the scientific basis for the dependability of other research approach in</p><p>　

41、　Because the way side guardrail itself is a barrier , in a situation that the condition is permitted, the side guardrail of the way should be set up as much as possible and far away from the runway. So, the vehicle which

42、 deviates from the runway can perhaps is it answer to sail in the runway again having no accidents most heavy . Way side object exceed from runway edge sure to after worthing , take as the barrier , driver can because re

43、ducing speed last position. This distance is called and leant</p><p>　　Guardrail as superhighway a important one safety devices most one of , can prevent vehicle from go out highway or intrude upon to to go

44、the lane, have function of reducing accident losses , guaranteeing the traffic safety, for improving sense of safety and comfortableness that the department rides personnel, it is indispensable to improve the economy of

45、highway transportation and social benefit.</p><p>　　The guardrail is one of the most important safety devices of expressway . According to the difference which can suck the way, the guardrail is divided into

46、 the following 3 typical forms : Rigidity guardrail , the semi-rigid guardrail and flexible guardrail . The function of the guardrail is: When the automobile and guardrail collide , under one's own situation not dest

47、royed , absorb the energy of colliding partly, and channel the automobile into the runway , guarantee the automobile does not cro</p><p>　　Obviously, it is different that systematic security with colliding t

48、o " the automobile - the semi-rigid guardrail " of study on " security that the automobile collides " is studied, in " automobile collide security " research results that make can is it guid

49、e semi-rigid design of guardrail to use for directly either in studying "; Or regard the automobile as and have no form of geometry and the particle of the size or simple spring - quality - damping system, is it is

50、it study semi-rigid guardra</p><p>　　We think , two inalienable components in the system that the automobile and semi-rigid guardrail collide in the automobile bumps into this incident of semi-rigid guardrai

51、l , the mutual coupling of two , influencing each other , form an organic whole together. While the automobile bumps into the semi-rigid guardrail , the automobile will keep in touch with the semi-rigid guardrails , and

52、position and area of contact that are exposed to will change with sport of the automobile , the contact area c</p><p>　　Now, people collide structure basic principle of dynamics apply other relevant field, i

53、ncluding the study on semi-rigid guardrail , but the restriction that divided because of the speciality, in design technical research of the semi-rigid guardrail , have not made breakthrough progress yet. Through the res

54、ponse characteristic analysis of the human body in the car in the course to colliding, is it collide course various kinds of sport law that automobile might appear human body bludgon the influe</p><p>　　This

55、 research and past research are different. Collision security of automobile study for a large number of research results, author go on a large number of automobile collide security study too in the past, but the one that

56、 study is all that the automobile stipulating bumps into this kind of special operating mode of rigidity wall in safety standards of automobiles, purpose that study to judge mechanics , automobile of structure characteri

57、stic suitable and how improve the automobile structural </p><p>　　The setting-up of the system intact coupling dynamics big system model is the most key question that " the automobile- the semi-rigid gu

58、ardrail " collides . Should consider the semi-rigid guardrail and one's own great phenomena out of shape of ball plasticity of automobile in the model, and also consider the semi-rigid guardrail and automobile o

59、ne's own geometry form and size, consider such complicated factors as the contact and friction between the automobile and guardrail ,etc., it is more sui</p><p>　　To automobile being structure complicate

60、d and a existing one used in automobile collide automobile that security study calculate model too huge characteristic, is it is it at the foundation , security of research results , collide to automobile security common

61、ly used automobile collide model simplify rationally in studying to collide in existing automobile to plan, set up concise , ocular , swift , scientific automobile and simplify models. Simplifying models can adopt the mo

62、del of mixing that n</p><p>　　Use " automobile - semi-rigid guardrail " collide system intact coupling dynamics model, carry on sensitivity , structure of design parameter analyse , study semi-rigi

63、d guardrail structure form to collide automobile actual sport influence law of law in the course at first, automobile law and its the most unanimous optimum structure form of ideal sport law of real sport by fixing makin

64、g . Then to optimum structure form, is it use " automobile - semi-rigid guardrail " collide system intact couplin</p><p>　　The experimental number of times that reducible to collide , obtained the

65、considerable direct economic benefits. For a long time , to semi-rigid design of guardrail , adopt experience design method , half analyze technology and test method is it go on to mix all, though can design the feasible

66、 guardrail , costly and time-consuming only according to testing and trying playing, very unremunerative, and difficult to make the security level of the semi-rigid guardrail in optimum state. If there is s</p>&l

67、t;p>　　The new mechanism of the anticollision of semi-rigid guardrail is used in the design and improvement of the semi-rigid guardrail on the expressway and special-purpose Class I Highway of automobile mainly, certai

68、nly, can apply to the design and improvement of the semi-rigid guardrail on other highways at all levels too.</p><p>　　However, impact kinetic energy and its travel speed that the automobile has are the squa

69、re of in direct radio, once the high-speed automobile that goes crosses the traffic accident outside the outlet (the proportion of taking the total amount of traffic accidents of this kind of accident is about 45%, about

70、 30% on the expressway on the ordinary arterial highway), the consequence will be more serious . At this moment , design the furnishing that the unreasonable guardrail will become the danger ,</p><p>　　Study

71、 on new mechanism of the anticollision of semi-rigid guardrail to guarantee highway communication transportation system realize at a high speed transporting basic research of purpose one of safely, it is a subject for re

72、search of crossing in fields multi-disciplinarily, the value of academic research with importance and prospect of using. It break through professional restriction that divide in the past, collide the system as a big syst

73、em of coupling " automobile- semi-rigid guardrail", pro</p><p>　　The rigidity guardrails and semi-rigid guardrails are the important safety devices on the expressway . Studies have shown rigidity g

74、uardrail though out of shape basically in colliding in accident, but because one's own structure rigidity is great, not only the ability to absorb energy is low, but also apt to cause two accidents. The semi-rigid gu

75、ardrail is a kind of continuous roof beam post type guardrail structure, because there are certain rigidity and flexibility, have certain energy absorba</p><p>　　Improve the environmental quality of the unde

76、rground space and ventilation result, offer the comfortable environment of going by bus to passenger, offer the good condition of work to station equipment and staff member , make the underground environment get effectiv

77、e control. Satisfied when the fire accident happens in the station or the annex, arrange cigarettes and ventilate effectively, guarantee passenger's evacuating safely and staff members and equipment security. When th

78、e train blocks the </p><p>　　U.S.A. began the research and use of the guardrail from 1920, on the basis of theory analysis and simulation experiment, protect and block and collide to verify the application p

79、ractice on the experiment and highway through the full size of real car, have accumulated a large number of materials and abundant experience. The national traffic research institute of research association of U.S.A. mad

80、e the evaluation criterion of the expressway safety devices in 1981, organized guardrail structure of </p><p>　　Hyundai Motor's production technology and technological level improve day by day, the speed

81、 of design of the vehicle soars; At the same time there is a very great demand too for the speed of operation as the main artery that is transported fast in the expressway ; The vehicle that the speed is lower than 70km/

82、h has already forbidden entering the expressway now, and common speed of going on the expressway is all in above 100km/h. People in addition driven by the interests, overload and is it beco</p><p>　　In recen

83、t years, the recoverable amount of motor vehicle of our country is increasing constantly, the following road traffic accident is soaring constantly too. Show according to the recent statistical data , the traffic securit

84、y situation is still very severe , the traffic accident is threatenning the social economic development and security of people's lives and properties seriously. Expressway guardrail concern life security of people, a

85、t the same time for mould new image of traffic safety of</p><p><b>　　公路防撞護(hù)欄體系</b></p><p>　　隨著經(jīng)濟(jì)建設(shè)的發(fā)展，各種現(xiàn)代化的交通設(shè)施，如高速公路、城市立交、高架道路在交通運(yùn)輸中所起的作用日益增強(qiáng)，而交通運(yùn)輸?shù)陌l(fā)展也導(dǎo)致了交通事故的急劇上升，交通安全己經(jīng)成為一個世界性的大難題

86、。</p><p>　　剛性護(hù)欄是受汽車沖撞基本不變形的護(hù)欄形式，一般指混凝土護(hù)欄混凝土墻板式護(hù)欄采用“安全外形”的概念，主要通過外形坡度不同的側(cè)面，使汽車減速，爬高，轉(zhuǎn)向，這種護(hù)欄設(shè)計(jì)能有效的使碰撞角小于100的中型轎車改向，并使汽車不受或受較輕的損傷，當(dāng)碰撞角度、碰撞速度較大時，汽車損傷嚴(yán)重.</p><p>　　安全護(hù)欄的形式按剛度的不同可分為柔性護(hù)欄、半剛性護(hù)欄和剛性護(hù)欄。1) 柔

87、性護(hù)欄一般指纜索護(hù)欄,是一種以多根施加了預(yù)應(yīng)力的纜索固定于支柱上的結(jié)構(gòu),完全依靠纜索的拉應(yīng)力來抵抗車輛碰撞,形式美觀,行駛時沒有壓迫感,但視線誘導(dǎo)較差,造價較高,一般不用。2) 半剛性護(hù)欄一般指梁式護(hù)欄,是一種用支柱固定的梁式結(jié)構(gòu),依靠護(hù)欄的彎曲變形和張拉力來抵抗車輛的碰撞。梁式護(hù)欄有許多種,應(yīng)用最廣泛的為波形梁護(hù)欄。具有一定的剛性和韌性,損壞后容易更換,能誘導(dǎo)視線,外形美觀。3) 剛性護(hù)欄一般指水泥砼墻式護(hù)欄,是一種具有一定斷面形狀的

88、水泥砼墻式結(jié)構(gòu),依靠汽車爬高、變形和摩擦來吸收碰撞能量。這種護(hù)欄安全性高,能有效防止二次事故,本身不易損壞,維修費(fèi)用低,但對車輛行駛有壓迫感,對車輛損壞較嚴(yán)重。</p><p>　　高速公路上的安全護(hù)欄既要阻止高速行駛的車輛越出路外,或穿越中央分隔帶闖入對向車道,還要能誘導(dǎo)駕駛員的視線,使車輛回到正常行駛方向,并將事故中惡性程度降低到最小?？傊?高速公路安全護(hù)欄是減少交通事故和降低事故惡性程度的有效措施,但在不該

89、設(shè)置護(hù)欄的地方設(shè)置護(hù)欄,反而成為新的障礙物,增加了事故危險。因此,對安全護(hù)欄的設(shè)計(jì)首先要掌握護(hù)欄的特點(diǎn),結(jié)合高速公路的交通條件,在滿足護(hù)欄基本功能的前提下,選用合適的護(hù)欄形式,并采取合理的設(shè)置原則。</p><p>　　由于受到地形條件、投資和技術(shù)條件等多種因素的制約,路側(cè)難免存在障礙物,對越出路外的車輛構(gòu)成潛在的危險。路側(cè)護(hù)欄僅設(shè)置在能降低事故嚴(yán)重度的地方,其設(shè)計(jì)原則根據(jù)人們對公路等級、交通量、車輛組成和路側(cè)特

90、征等因素的主觀判斷而確定。</p><p>　　最理想的護(hù)欄形式是既滿足功能需要又成本最低,而且美觀大方,并能誘導(dǎo)行車視線。纜索護(hù)欄適合有不均勻下沉、積雪、長直線、有特殊美觀要求的路段；混凝土護(hù)欄適合特別危險的跨河大橋、懸崖等路段；波形護(hù)欄有更大的適用性,基本上適合所有路段,特別是小半徑彎道和需要誘導(dǎo)視線的路段。根據(jù)規(guī)范要求和湖南省多條高速公路安全護(hù)欄設(shè)計(jì)經(jīng)驗(yàn),一般路段路側(cè)采用波形梁護(hù)欄,個別特別困難危險路段采用

91、混凝土護(hù)欄。</p><p>　　在交通量大的情況下,車輛高速行駛,一旦發(fā)生橫越中央分隔帶的情況,就可能產(chǎn)生嚴(yán)重的后果,因此,中央分隔帶的寬度作為設(shè)置護(hù)欄的重要依據(jù)?！》雷矇|是通過吸收車輛碰撞能量使車輛安全停住,并使車輛改變行駛方向,避免司乘人員受到嚴(yán)重傷害的設(shè)施。防撞墊成本低,具有很高的安全性能。它主要應(yīng)用于從無中間帶向有中間帶過渡、平交導(dǎo)流島分流點(diǎn)、有固定障礙物等交通事故多發(fā)路段。防撞墊有夾層系統(tǒng)防撞塑料墊、

92、填砂塑料桶防撞墊、砂袋等多種形式。實(shí)踐證明,防撞墊是一種有效的設(shè)施,它主要是降低事故的嚴(yán)重度,而不是減少事故的發(fā)生。隨著我國高速公路的迅速發(fā)展,人們對安全護(hù)欄重要性的認(rèn)識有了很大提高,建造護(hù)欄時,要從性能、景觀和經(jīng)濟(jì)等多方面認(rèn)真比較,全面考慮。</p><p>　　防撞護(hù)欄包括四個方面的具體功能：1)阻止車輛躍出路〔橋)外，對中央分隔帶而言，則要阻止車輛穿越中央分隔帶而闖入對向車道；同時，還要防出車輛從護(hù)欄板底下

93、鉆出，或?qū)⒆o(hù)欄沖斷；2)護(hù)欄應(yīng)能使車輛回復(fù)到止常行駛方向;3)發(fā)生碰撞時，對乘客的損傷為最小程度:4)能誘導(dǎo)駛員的視線。從上述功能可以看出，護(hù)欄必須具有相當(dāng)?shù)牧W(xué)強(qiáng)度和剛度以抵擋車輛的沖撞，防止車輛越出路(橋)外:同時，護(hù)欄的剛度又不能太大，從而可以更好地保護(hù)乘客免受傷害或減輕傷害程度。</p><p>　　實(shí)車足尺撞擊試驗(yàn)是用實(shí)際汽車沖撞護(hù)欄來模擬交通事故的一種研究方法.它可以得到汽車在撞擊過程中的運(yùn)動軌跡和運(yùn)

94、動姿態(tài)、汽車與護(hù)欄的變形和損傷特征以及碰撞沖擊力的數(shù)值等真實(shí)可信的技術(shù)參數(shù)，從而為安全可靠的護(hù)欄結(jié)構(gòu)的設(shè)計(jì)和驗(yàn)證其它研究方法所得結(jié)果的可靠性提供了科學(xué)的依據(jù)?，F(xiàn)在，各國都把系統(tǒng)的實(shí)車撞擊試驗(yàn)作為對護(hù)欄研究的基本前提。</p><p>　　由于路側(cè)護(hù)欄本身也是障礙物, 在條件許可的情況下, 路側(cè)護(hù)欄應(yīng)設(shè)置得盡可能遠(yuǎn)離行車道。這樣,偏離行車道的車輛能夠最大可能地?zé)o事故地重新駛回行車道。路側(cè)物體距離行車道邊緣超過一定值

95、后, 就不被認(rèn)作障礙物, 駕駛者一般不會因之降低車速或改變車輛在行車道上的位置。這個距離稱為橫向偏位。這個距離隨車速的不同而不同,必須注意要確保路側(cè)護(hù)欄與其他構(gòu)造物相連時適當(dāng)?shù)倪^渡設(shè)計(jì)；還應(yīng)注意要確保護(hù)欄與障礙物之間適當(dāng)?shù)木嚯x。護(hù)欄碰撞時的變形不僅是形式選擇的重要因素,也是設(shè)置的重要因素。尤其是被防護(hù)的障礙物是剛性物體時, 護(hù)欄與物體之間的距離應(yīng)足夠大以避免車輛在剛性物體上絆阻。合理設(shè)置路側(cè)護(hù)欄對保證路側(cè)安全的作用重大,但是路側(cè)護(hù)欄形式

96、的多樣化以及設(shè)置的影響因素眾多使得路側(cè)護(hù)欄的設(shè)計(jì)十分復(fù)雜。</p><p>　　護(hù)欄作為高等級公路上最重要的安全設(shè)施之一,能夠阻止車輛沖出公路或闖入對向行駛車道, 具有減少事故損失、保證行車安全的功能, 對于提高司乘人員的安全感與舒適性, 提高公路運(yùn)輸?shù)慕?jīng)濟(jì)性與社會效益是不可或缺的。</p><p>　　護(hù)欄是高速公路最為重要的安全設(shè)施之一.按照吸能方式的不同,護(hù)欄劃分為以下3種典型形式:

97、剛性護(hù)欄、半剛性護(hù)欄和柔性護(hù)欄.護(hù)欄的作用是:當(dāng)汽車與護(hù)欄碰撞時,在自身不被破壞的情況下,吸收部分碰撞能量,并將汽車導(dǎo)入行車道,保證汽車不越過護(hù)欄沖進(jìn)相對車道或翻滾下護(hù)坡.因此對護(hù)欄的要求是:必須具有足夠的強(qiáng)度和適當(dāng)?shù)膭偠?同時要有較強(qiáng)的吸能特性和一定的導(dǎo)向能力。</p><p>　　顯然,對“汽車碰撞安全性”的研究與對“汽車-半剛性護(hù)欄”碰撞系統(tǒng)安全性的研究是有區(qū)別的,在“汽車碰撞安全性”研究中取得的研究成果也

98、不能直接用于指導(dǎo)半剛性護(hù)欄的設(shè)計(jì)；或者將汽車當(dāng)作無幾何形狀與尺寸的質(zhì)點(diǎn)或簡單的彈簧-質(zhì)量-阻尼系統(tǒng),同時將半剛性護(hù)欄簡化為線彈性體來研究半剛性護(hù)欄的設(shè)計(jì)技術(shù)如防撞機(jī)理等,研究中既沒有考慮半剛性護(hù)欄的彈塑性大變形對汽車運(yùn)動規(guī)律的影響,也沒有考慮汽車的幾何形狀、尺寸及汽車車體結(jié)構(gòu)彈塑性大變形對半剛性護(hù)欄大變形的影響,沒有考慮材料的應(yīng)變率效應(yīng)及慣性效應(yīng)對汽車車體結(jié)構(gòu)及半剛性護(hù)欄大變形的影響,更沒有考慮汽車與半剛性護(hù)欄各自自身及相互之間的接觸與