邊坡支護(hù)設(shè)計(jì)計(jì)算書(shū)設(shè)計(jì)

開(kāi)陽(yáng)縣中西醫(yī)結(jié)合醫(yī)院遷建項(xiàng)目

邊坡工程支護(hù)設(shè)計(jì)

設(shè)計(jì)計(jì)算書(shū)

中基基固建設(shè)工程有限公司

2020年11月

（三）A2~A3~A4~A5段邊坡（代表斷面17#剖面）...................................23

目錄

3.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算................................23

一、邊坡工程概況....................................................................13.2邊坡沿巖土交界面滑動(dòng)的穩(wěn)定性計(jì)算......................................25

（一）擬建項(xiàng)目概況..............................................................13.3邊坡沿強(qiáng)風(fēng)化與中風(fēng)化層交界面滑動(dòng)的穩(wěn)定性計(jì)算..........................25

（二）邊坡工程地質(zhì)概況..........................................................23.4邊坡沿巖體破裂角滑動(dòng)的穩(wěn)定性計(jì)算......................................26

2.1地形地貌...............................................................23.5邊坡沿巖層面與L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...........................26

2.2地質(zhì)構(gòu)造...............................................................23.6支護(hù)設(shè)計(jì)計(jì)算..........................................................28

2.3邊坡巖土構(gòu)成...........................................................2（四）A5B段邊坡（代表斷面24#剖面）...........................................29

（三）氣象和水文地質(zhì)條件........................................................24.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算................................29

3.1氣象水文...............................................................24.2邊坡沿巖土交界面滑動(dòng)的穩(wěn)定性計(jì)算......................................31

3.2水文地質(zhì)...............................................................34.3支護(hù)設(shè)計(jì)計(jì)算..........................................................31

（四）邊坡巖體類型..............................................................3（五）BB1段邊坡（代表斷面26#剖面）...........................................33

（五）邊坡分段及其特征..........................................................45.1上覆土層的圓弧滑動(dòng)穩(wěn)定性計(jì)算..........................................34

二、設(shè)計(jì)依據(jù)及設(shè)計(jì)采用參數(shù)..........................................................65.2邊坡支護(hù)設(shè)計(jì)計(jì)算......................................................35

（一）設(shè)計(jì)依據(jù)..................................................................6（六）B1B2B3B4c段邊坡（代表斷面27#剖面）.....................................35

（二）設(shè)計(jì)采用參數(shù)..............................................................

66.1上覆土層的圓弧滑動(dòng)穩(wěn)定性計(jì)算..........................................35

三、支護(hù)設(shè)計(jì)計(jì)算....................................................................76.2邊坡支護(hù)設(shè)計(jì)計(jì)算......................................................36

（一）AA1段邊坡（代表斷面11#剖面）............................................7（七）LU（LC）段邊坡（代表斷面40#剖面）.........................................36

1.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算.................................77.1土體內(nèi)的圓弧滑動(dòng)穩(wěn)定性計(jì)算............................................37

1.2邊坡沿巖體破裂角滑動(dòng)的穩(wěn)定性計(jì)算.......................................87.2圓弧滑動(dòng)剩余下滑力計(jì)算................................................38

1.3邊坡沿巖層面與L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算............................97.3原始坡面的折線滑動(dòng)穩(wěn)定性計(jì)算..........................................41

1.4支護(hù)設(shè)計(jì)計(jì)算..........................................................127.4巖土交界面的折線滑動(dòng)穩(wěn)定性計(jì)算.......................................42

（二）段邊坡（代表斷面剖面）..........................................

A1A213#147.5強(qiáng)風(fēng)化與中風(fēng)化交界面折線滑動(dòng)穩(wěn)定性計(jì)算................................42

2.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算................................147.6支護(hù)結(jié)構(gòu)設(shè)計(jì)計(jì)算......................................................43

2.2邊坡沿巖體破裂角滑動(dòng)的穩(wěn)定性計(jì)算......................................16（八）CD（UK）段邊坡（代表斷面44#剖面）.........................................46

2.3邊坡沿巖層面與L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...........................168.1消防通道以上邊坡沿巖層層面的平面滑動(dòng)穩(wěn)定性計(jì)算........................46

2.4支護(hù)設(shè)計(jì)計(jì)算.........................................................198.2邊坡整體沿巖層層面的平面滑動(dòng)稔定性計(jì)算................................46

8.3巖層面與節(jié)理L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算.............................4714.2圓弧滑動(dòng)剩余下滑力計(jì)算...............................................74

8.4巖層面與節(jié)理L2形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算.............................4814.3邊坡沿原始坡面滑動(dòng)的穩(wěn)定性計(jì)算.......................................77

8.5支護(hù)設(shè)計(jì)計(jì)算..........................................................4914.4邊坡沿巖土交界面滑動(dòng)的穩(wěn)定性計(jì)算.....................................78

（九）K，D2,段建筑邊坡（代表斷面52#剖面）......................................5214.5邊坡沿強(qiáng)風(fēng)化與中風(fēng)化巖層交界面滑動(dòng)的穩(wěn)定性計(jì)算.......................78

9.1圓弧滑動(dòng)穩(wěn)定性計(jì)算....................................................5214.6邊坡支護(hù)設(shè)計(jì)計(jì)算.....................................................78

9.2支護(hù)結(jié)構(gòu)設(shè)計(jì)..........................................................54（十五）GF5段邊坡（代表斷面72#剖面）.........................................82

（十）D3EE1段建筑邊坡（代表斷面57#剖面）....................................5615.1上覆填土及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算...............................82

10.1圓弧滑動(dòng)穩(wěn)定性計(jì)算...................................................5715.2圓弧滑動(dòng)剩余下滑力計(jì)算...............................................83

10.2支擋結(jié)構(gòu)設(shè)計(jì).........................................................5815.3邊坡沿原始坡面滑動(dòng)的穩(wěn)定性計(jì)算.......................................87

（十一）D1~D4~F2段基坑邊坡（代表斷面53#剖面）...............................5815.4邊坡沿強(qiáng)風(fēng)化和中風(fēng)化巖層交界面滑動(dòng)的穩(wěn)定性計(jì)算.......................87

11.1土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算...................................5815.5邊坡支護(hù)設(shè)計(jì)計(jì)算.....................................................87

11.2巖層面與節(jié)理L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算............................60（十六）F5F4段邊坡（代表斷面80#剖面）........................................90

113巖體沿巖體破裂角的直線滑動(dòng)穩(wěn)定性計(jì)算..................................6116.1上覆填土及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算...............................91

11.4巖土交界面的折線滑動(dòng)穩(wěn)定性計(jì)算.......................................6116.2圓弧滑動(dòng)剩余下滑力計(jì)算...............................................92

11.5強(qiáng)風(fēng)化層與中風(fēng)化層交界面的折線滑動(dòng)穩(wěn)定性計(jì)算.........................6216.3邊坡支護(hù)設(shè)計(jì)計(jì)算.....................................................94

11.6支護(hù)結(jié)構(gòu)設(shè)計(jì)計(jì)算.....................................................62（十七）F4F3F2段邊坡（代表斷面83#剖面）......................................97

（十二）D1D5段基坑邊坡（代表斷面88#剖面）...................................6217.1上覆填土及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算...............................98

12.1圓弧穩(wěn)定性計(jì)算.......................................................6217.2邊坡支護(hù)設(shè)計(jì)計(jì)算.....................................................99

12.2支擋結(jié)構(gòu)設(shè)計(jì).........................................................63（十八）F2F1FE1段邊坡（代表斷面57-1#剖面）...................................102

（十三）HH1段邊坡（代表斷面64#剖面）.........................................6318.1上覆填土及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算..............................102

13.1上覆填土及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算...............................6418.2圓弧滑動(dòng)剩余下滑力計(jì)算..............................................103

13.2圓弧滑動(dòng)剩余下滑力計(jì)算...............................................6518.3邊坡沿原始坡面滑動(dòng)的穩(wěn)定性計(jì)算......................................106

13.3邊坡沿原始坡面滑動(dòng)的穩(wěn)定性計(jì)算.......................................6818.4邊坡沿巖土交界面滑動(dòng)的穩(wěn)定性計(jì)算....................................107

13.4邊坡沿巖土交界面滑動(dòng)的穩(wěn)定性計(jì)算.....................................6918.5邊坡沿強(qiáng)風(fēng)化和中風(fēng)化巖層交界面滑動(dòng)的穩(wěn)定性計(jì)算......................107

13.5邊坡支護(hù)設(shè)計(jì)計(jì)算.....................................................6918.6邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................107

（十四）H1H2段邊坡（代表斷面68#剖面）........................................73（十九）J1J2段邊坡（代表斷面77#剖面）........................................111

14.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算...............................7319.1圓弧滑動(dòng)穩(wěn)定性計(jì)算...................................................111

19.2圓弧滑動(dòng)剩余下滑力計(jì)算.............................................26.2圓弧滑動(dòng)剩余下滑力計(jì)算..............................................153

19.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................26.3巖層面與L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...............................157

（二十）J5J6段邊坡（代表斷面77#剖面）........................................26.4沿原始坡面的折線滑動(dòng)穩(wěn)定性計(jì)算......................................158

20.1圓弧滑動(dòng)穩(wěn)定性計(jì)算.................................................26.5沿巖土交界面的折線滑動(dòng)穩(wěn)定性計(jì)算....................................158

20.2圓弧滑動(dòng)剩余下滑力計(jì)算.............................................26.6沿強(qiáng)風(fēng)化與中風(fēng)化交界面的折線滑動(dòng)穩(wěn)定性計(jì)算..........................159

20.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................26.7邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................159

（二十一）J6K\KK2段邊坡（代表斷面88#剖面）.................................（二十七）NN1段邊坡（代表斷面102#剖面）.....................................162

21.1圓弧滑動(dòng)穩(wěn)定性計(jì)算.................................................27.1沿巖體破裂面滑動(dòng)穩(wěn)定性計(jì)算..........................................162

21.2圓弧滑動(dòng)剩余下滑力計(jì)算.............................................27.2巖層面與L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...............................162

21.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................27.3邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................164

（二十二）K2J段邊坡（代表斷面77#剖面）......................................（二十八）N1N2段邊坡（代表斷面102-1#剖面）..................................164

22.1圓弧滑動(dòng)穩(wěn)定性計(jì)算.................................................28.1沿巖體破裂面滑動(dòng)穩(wěn)定性計(jì)算..........................................165

22.2圓弧滑動(dòng)剩余下滑力計(jì)算.............................................28.2巖層面與L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...............................165

22.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................28.3邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................166

（二十三）JJ3段邊坡（代表斷面74#剖面）.......................................（二十九）M2Ml段邊坡（代表斷面107#剖面）...................................167

23.1圓弧滑動(dòng)穩(wěn)定性計(jì)算.................................................29.1沿巖體破裂角的平面滑動(dòng)穩(wěn)定性計(jì)算....................................167

23.2圓弧滑動(dòng)剩余下滑力計(jì)算.............................................29.2沿巖層面與節(jié)理L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算.........................167

23.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................29.3邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................169

（二十四）K2K3段邊坡（代表斷面91#剖面）.....................................（三十）S~S3~S6段邊坡（代表斷面107#剖面）....................................169

24.1圓弧滑動(dòng)穩(wěn)定性計(jì)算.................................................30.1沿巖體破裂角的平面滑動(dòng)穩(wěn)定性計(jì)算....................................170

24.2邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................30.2沿巖層面與節(jié)理L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算.........................170

（二十五）L4L3L2段邊坡（代表斷面97#剖面）...................................30.3邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................171

25.1上覆土層及強(qiáng)風(fēng)化層圓弧滑動(dòng)穩(wěn)定性計(jì)算...............................（三—）M1M（S6S4S5）段邊坡（代表斷面109#剖面）...........................172

25.2巖層面與L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...............................31.1沿巖體破裂角的平面滑動(dòng)穩(wěn)定性計(jì)算....................................173

25.3邊坡支護(hù)結(jié)構(gòu)設(shè)計(jì)計(jì)算...............................................31.2沿巖層面與節(jié)理L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算.........................173

（二十六）L2L1段邊坡（代表斷面39#剖面）.....................................31.3邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................174

26.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算.............................（三十二）MS5Q4、Q5L4N2段邊坡（代表斷面129#剖面）..........................178

32.1沿巖體破裂角的平面滑動(dòng)穩(wěn)定性計(jì)算...................................

32.2邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................

（三十三）S4N1段邊坡（代表斷面129#剖面）....................................

33.1沿巖體破裂角的平面滑動(dòng)穩(wěn)定性計(jì)算...................................

33.2沿L1的平面滑動(dòng)穩(wěn)定性計(jì)算...........................................

33.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................

（三十四）P~P3段邊坡（代表斷面121#剖面）....................................

34.1圓弧滑動(dòng)穩(wěn)定性計(jì)算.................................................

34.2邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................

（三十五）P3~M1、QQ1、Q2Q3段邊坡（代表斷面123#剖面）......................

35.1邊坡支護(hù)設(shè)計(jì)計(jì)算....................................................

（三十六）Q1Q2段邊坡（代表斷面113#剖面）...................................

36.1巖層面與節(jié)理L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...........................

36.2邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................

（三十七）Q4K3段邊坡（代表斷面132#剖面）....................................

37.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算.............................

37.2巖層面與節(jié)理L1形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...........................

37.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................

（三十八）K3R段邊坡（代表斷面139#剖面）.....................................

38.1上覆土層及強(qiáng)風(fēng)化層的圓弧滑動(dòng)穩(wěn)定性計(jì)算.............................

38.2巖層面與節(jié)理L2形成的楔形體滑動(dòng)穩(wěn)定性計(jì)算...........................

38.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................

（三十九）A~I2段邊坡（代表斷面7#剖面）......................................

39.1土體的圓弧滑動(dòng)穩(wěn)定性計(jì)算...........................................

39.2圓弧滑動(dòng)剩余下滑力計(jì)算.............................................

39.3邊坡支護(hù)設(shè)計(jì)計(jì)算...................................................

（四十）等其他臨空面不超4.4m的擋墻........................................

IV

-1+5F1190.051181.05m

一、邊坡工程概況高壓氧艙框架結(jié)構(gòu)1F1179.60m/

內(nèi)科大樓框架結(jié)構(gòu)-1+5F1190.05m1185.10m

（一）擬建項(xiàng)目概況外科大樓框架結(jié)構(gòu)-4+5F1190.05m1171.00m

擬建開(kāi)陽(yáng)縣中西醫(yī)結(jié)合醫(yī)院遷建項(xiàng)目位于開(kāi)陽(yáng)縣銅仁路（305省道），擬建場(chǎng)地東側(cè)地塊為原開(kāi)各段邊坡特征一覽表表2

邊坡開(kāi)挖類

陽(yáng)水泥廠舊址。北側(cè)緊鄰升陽(yáng)縣五中，西側(cè)距開(kāi)陽(yáng)高鐵站約為西北側(cè)距開(kāi)陽(yáng)縣政府約為邊坡段號(hào)邊坡位置邊坡巖土類型邊坡長(zhǎng)度邊坡高度備注

2km,3.5km,型

交通十分便利。根據(jù)建設(shè)單位提供的設(shè)計(jì)總圖，場(chǎng)地平整后將在場(chǎng)地四周及場(chǎng)區(qū)內(nèi)形成永久性邊坡，消防通道以上：

0619.8m

AAi場(chǎng)區(qū)東側(cè)挖方邊坡巖土組合邊坡51.9m

其中挖方邊坡總長(zhǎng)約為848.3m,最大高度為26.0m,主要分布在場(chǎng)區(qū)東側(cè)、南側(cè)、場(chǎng)區(qū)內(nèi)部平臺(tái)之消防通道以下：

2.9~6.8m

間；填方邊坡總長(zhǎng)約為625.3m,最大待填高度為10.2m,主要分布在場(chǎng)區(qū)北側(cè)、西側(cè)、北東側(cè)、內(nèi)部消防通道以上：

19.8—23.6m

A1A2場(chǎng)區(qū)東側(cè)挖方邊坡巖土組合邊坡20.8m

道路。場(chǎng)區(qū)內(nèi)擬建建筑物地下室的施工會(huì)形成基坑邊坡，基坑邊坡總長(zhǎng)約為736.8m,最大高度為10.5m,消防通道以下：

0.0-9.0m

主要為傳染樓、醫(yī)技樓、門診樓基坑。A2?A5場(chǎng)區(qū)東側(cè)挖方邊坡巖土組合邊坡125.0m17.7?26.0m

A5B場(chǎng)區(qū)東側(cè)挖方邊坡巖土組合邊坡24.0m6.0-16.3m

BB1場(chǎng)區(qū)南側(cè)挖方邊坡土質(zhì)邊坡21.3m6.1?8.9m

B1-B4-C場(chǎng)區(qū)南側(cè)挖方邊坡土質(zhì)邊坡155.3m0.0~6.lm

總高12.8?15.2m,待填

挖方與填方

LC(LC)場(chǎng)區(qū)南側(cè)巖土組合邊坡45.7m高度6.0~8.8m,挖方高

混合邊坡

度4.0?9.2m

CD(CK)場(chǎng)區(qū)南側(cè)挖方邊坡巖質(zhì)邊坡54.6m6.68?20.5m

總高待填高

挖方與填方0.0~4.4m,

K'D2'場(chǎng)區(qū)南側(cè)巖土組合邊坡28.1m度0.b3.3m,挖方高度

混合邊坡

0.0~1.5m

D3EE1場(chǎng)區(qū)南側(cè)挖方邊坡土質(zhì)邊坡63.8m0.0?5.0m

傳染病樓南側(cè)

D1D4F2挖方邊坡巖土組合邊坡159.5m0.0~9.6m

基坑邊坡

傳染病樓東側(cè)

D1D5挖方邊坡土質(zhì)邊坡21.5m1.5~6.0m

基坑邊坡

HH1場(chǎng)區(qū)北側(cè)填方邊坡土質(zhì)邊坡69.8m待填高度8.4-10.2m

HIH2場(chǎng)區(qū)北側(cè)填方邊坡土質(zhì)邊坡70.8m待填高度4.2?6.8m

GF5場(chǎng)區(qū)西側(cè)填方邊坡土質(zhì)邊坡32.2m待填高度4.8?8.1m

F5F4場(chǎng)區(qū)西側(cè)填方邊坡土質(zhì)邊坡150.2待填高度2.9?5.5m

F4F3F2傳染樓北側(cè)挖方邊坡土質(zhì)邊坡60.4m5.0~5.7m

F2F1FE1傳染樓北側(cè)填方邊坡土質(zhì)邊坡44.5m2.9?9.4m

傳染病樓北東

挖方與填方總高6.0m,其中待填高

J1J2側(cè)1165與土質(zhì)邊坡98.0m

混合邊坡度3.3?5.7m

擬建項(xiàng)目位置圖1171平臺(tái)之間

傳染病樓與預(yù)

J5J6填方邊坡土質(zhì)邊坡54.4m待填高度