帶有緩和曲線的圓曲線逐樁坐標(biāo)計(jì)算例題

1、帶有緩和曲線的圓曲線逐樁坐標(biāo)計(jì)算例題：某山嶺區(qū)二級(jí)公路，已知交點(diǎn)的坐標(biāo)分別為例題：某山嶺區(qū)二級(jí)公路，已知交點(diǎn)的坐標(biāo)分別為JD1JD1（40961.91491066.10340961.91491066.103）、JD2JD2（40433.52891250.09740433.52891250.097）、JD3JD3（40547.41691810.39240547.41691810.392），JD2JD2里程為里程為K2200.000K220

2、0.000，R=150mR=150m緩和曲線長度為緩和曲線長度為40m40m計(jì)算帶有緩和曲線的圓曲線的逐樁計(jì)算帶有緩和曲線的圓曲線的逐樁坐標(biāo)。坐標(biāo)。（《工程測(cè)量工程測(cè)量》第202202頁3636題）題）解：（解：（1）轉(zhuǎn)角、緩和曲線角、曲線常數(shù)、曲線要素、主點(diǎn)里程、主點(diǎn)坐標(biāo)計(jì)）轉(zhuǎn)角、緩和曲線角、曲線常數(shù)、曲線要素、主點(diǎn)里程、主點(diǎn)坐標(biāo)計(jì)算12?3084160????1坐標(biāo)方位角坐標(biāo)方位角23?730378????2轉(zhuǎn)角轉(zhuǎn)角（左轉(zhuǎn)曲線左轉(zhuǎn)曲

3、線）?627182????3緩和曲線角緩和曲線角????1802???RLSho22837????4曲線內(nèi)移值曲線內(nèi)移值RLpS242?m444.05切線增長值切線增長值232402RLLqSS??m988.19切線長切線長qpRTh???2tan)(?m438.151曲線長曲線長ShLRL2180)2(0??????m436.255?hLm436.175y?L外距外距RpREh???2sec)(?m781.496曲線曲線要素要素切曲差

4、切曲差hhhLTD??2m440.47ZH樁號(hào)（樁號(hào)）JDZH?hT?K2048.562HY樁號(hào)（樁號(hào)）ZHHY?SL?K2088.562YH樁號(hào)（樁號(hào)）HYYH?yL?K2263.998HZ樁號(hào)（樁號(hào)）YHHZ?SL?K2303.998QZ樁號(hào)（樁號(hào)）HZQZ?2hL?K2176.2807主點(diǎn)主點(diǎn)里程里程JD樁號(hào)（樁號(hào)）QZJD?2hD?K2200.000212cos?hZHTXX??m543.40576ZH212sin?hZHTYY

5、??m296.91200232cos?hHZTXX??m693.40463HZ232sin?hHZTYY??m500.913988主點(diǎn)主點(diǎn)坐標(biāo)坐標(biāo)QZ)180(2123??????hE029329????（4）第二緩和段坐標(biāo)計(jì)算）第二緩和段坐標(biāo)計(jì)算228370??????260260171.438YH:K2263.99YH:K2263.998175.436175.43633333030212111911939392020165.6061

6、65.60640457.48040457.48091359.01891359.018樁號(hào)弧長里程里程樁點(diǎn)ZHli?偏角0231???????????SiiLl方位角ici???32??(左轉(zhuǎn))弦長22590SiiiLRllc??XiiciicXX?cosHZ??YiiciHZicYY?sin??YH:YH:K2263.998K2263.9984023247261032439.96840457.48040457.48091359.0189