11采區(qū)新回風(fēng)上山施工設(shè)計(jì)說(shuō)明書(shū)2

1、貴州中嶺礦業(yè)有限責(zé)任公司1目錄前言........................................................................................................................2一、礦井概況............................................................................

2、.............................21、煤系地層及煤層........................................................................................22、通風(fēng)、瓦斯.....................................................................................

3、.........33、采區(qū)巷道布置............................................................................................4二、采區(qū)通風(fēng)系統(tǒng)狀況.........................................................................................51、生產(chǎn)布局...

4、.................................................................................................52、通風(fēng)系統(tǒng)....................................................................................................53、巷道斷面狀況.......

5、.....................................................................................5三、方案.................................................................................................................5四、礦井修復(fù)后使用情況.....

6、................................................................................6五、巷道設(shè)計(jì)概況及效果.....................................................................................8六、工程概算....................................

7、.....................................................................81、新回風(fēng)上山工程概算................................................................................82、11采區(qū)回風(fēng)上山修復(fù)工程概算..........................................

8、.....................9貴州中嶺礦業(yè)有限責(zé)任公司3層。其中主采煤層有：3#煤層（厚0.89m～4.14m，平均2.49m）、6#煤層(厚0.77～5.74m，平均2.43m)、8#煤層(厚0.52～2.47m，平均1.83m)，它們之間的層間距分別為15.18m、26.78m。礦井煤層傾角為：一井淺部14～16，深部4～6。一井可采煤層特征：（見(jiàn)表1）表1一井煤層特征表煤層厚度煤層間距煤層結(jié)構(gòu)頂?shù)装迕簩用Q(chēng)最小最大平

9、均平均夾石厚度煤層穩(wěn)定性頂板底板10.342.171.490.05～0.21較穩(wěn)定泥巖、泥灰?guī)r泥巖、細(xì)砂巖20.202.011.0412.30.08～0.78不穩(wěn)定泥灰?guī)r粘土巖30.894.042.1016.860.1～0.3穩(wěn)定泥質(zhì)粉砂巖泥巖40.774.731.8915.180.05～0.67較穩(wěn)定粉砂巖泥巖6下0.102.511.292.430.08～0.69較穩(wěn)定泥巖泥質(zhì)粉砂巖7上01.740.816.180.08～0.83不穩(wěn)

10、定泥質(zhì)粉砂巖粉砂巖80.642.411.373.650.07～0.73較穩(wěn)定黑色泥巖泥巖90.562.451.7714.520.06～0.4穩(wěn)定細(xì)砂巖、粉砂巖泥巖100.001.470.9311.540.07～0.22不穩(wěn)定粉砂巖泥巖280.203.040.98162.10.1～0.60不穩(wěn)定粉砂巖粉砂巖310.213.261.2119.190.08～0.71不穩(wěn)定粉砂巖砂質(zhì)泥巖320.332.381.517.020.1～0.3較穩(wěn)定粉