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加筋土设计原理

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加筋土设计原理

发布日期:2016-07-27 作者: 点击:

JIAJINTUGONGCHENGSHEJIYUANLI

1 一般规定

1.1设计原则:

① GONGCHENGXINGZHI、SHIYONGYAOQIU、GONGCHENGTEDIANHEFAZHANXUYAO

亚博体育彩票② ANQUAN、SHIYONG、JINGJI、MEIGUANDEYAOQIU

③ YINDIZHIYI、HELIQUCAI、YOULISHIGONG、BIANYUWEIHU

④ DUOFANGANBIXUAN

亚博体育彩票BAOZHENGJIEGOUDEWENDINGHEANQUAN,

亚博体育彩票BAOZHENGGEBUFENJUYOUZUGOUDEQIANGDU、NAIJIUXING,

BAOZHENGJIAJINTIDEZHENGTIWENDINGXING。

1.2 设计内容:

①GOUZAOSHEJI,

②JIEGOUJISUAN,

③SHIGONGTUHUIZHIHEMINGQUESHIGONGJISHUYAOQIU,

④GONGCHENGGAISUANHUOYUSUAN。

JIAJINTUGONGCHENGYUQITAXIANGBI,YOUYIGEXIANZHUTEDIAN,YOUYUJIAJINCAILIAOZHONGLEIFANDUO、GUIGEPINZHONGFUZA、XINGNENGZHIBIAOCHAYIJIAODA,TIANLIAODEZHONGLEIHEWULILIXUEZHIBIAOBUJINGXIANGTONG,GEGONGCHENGXIANGMUJIANKECANKAOXINGJIAOCHA。

JIAJINTUGONGCHENGNENGXINGCHENGDULIDESHIYONGGONGNENG,KEZUOWEIDANWEIGONGCHENGBIANZHIXIANGYINGDEGAISUANHUOYUSUAN,TONGSHIYEBIANYUGONGCHENGSHIGONGZUZHIHEGONGCHENGCHENGBENHESUAN。

1.3 设计基本规定

亚博体育彩票NEIBUWENDINGJISUANSHIJIAJINTUGONGCHENGSHEJIDEYIGETEDIAN,GONGLU、SHUIYUN、TIELU、SHUILIDENGBUMENJIBENSHANGXIANGTONG。WAIBUWENDINGJISUANKEANGEXINGYEHUOBUMENGUIDINGJINXINGJISUAN(YOUGUANJISUANFANGFAHEANQUANXISHUQUZHIDENG)。

亚博体育彩票NEIBUWENDINGJISUANHEWAIBUWENDINGJISUANJUNCAIYONGDANYIANQUANXISHUFA。(BUCAIYONGFENXIANGANQUANXISHUFA)

2 荷载计算和组合

2.1 荷载类型

(1)JIAJINTUDANGQIANG

1) JIAJINTIZHONGLI,

2) JIAJINTISHANGTIANTUZHONGLI,

3) SHUIDEFULIHEJIAJINTIHOUFANGDESHENGYUSHUIYALI、SHUILIULI,

4) JIAJINTUTIHOUFANGTUDECEYALI,

亚博体育彩票5) CHELIANGDEDENGDAIHEZAI、GUDINGSHEBEI、DUIHUODENGSHIYONGHEZAI(BAOKUOCHUIZHILIHECEYALI),

6) CHUANBOHEZAI(XILANLI、JIKAOLI、ZHUANGJILI),

7) DIZHENHEZAI。

(2)JIAJINTUQIAOTAI

CHULEYOUSHANGSHUBUFENHEZAIZUOYONGWAI,JIAJINTUQIAOTAIHAIYOUYIXIAHEZAIZUOYONG。

1) ZHIZUOCHUANDIHEZAI(BAOKUOSHUIPINGLIHESHUXIANGYALI),

2) DIANLIANGZIZHONGLI,

3) JIAJINTUTIZIZHONGLIHUOJIAJINTISHANGTIANTUZHONGLI,

4) SHUIDEFUTUOLI,

5) DIANLIANGBEIMIANHEJIAJINTIBEIMIANDETUCEYALI。

(3)JIAJINTUDIJI

1) JIAJINTIZHONGLI,

2) JIAJINTISHANGTIANTUZHONGLI,

亚博体育彩票3) DIMIANJIAN(GOU)ZHUWUZHONGLI,

4) DI(LU)MIANCHELIANGDENGSHIYONGHEZAI ,

5) SHUIDEFULI 。

2.2 荷载计算

(1)YONGJIUHEZAIZUOYONG

1)JIAJINTUTIDEZIZHONGLI

亚博体育彩票2)JIAJINTUTISHANGTIANTUZHONGLI

《GONGLUJIAJINTUGONGCHENGSHEJIGUIFAN》ZAIJIAJINTUDANGQIANGDENEIBUWENDINGFENXISHI,DUILUDISHIDANGQIANGSHANGDETIANTUZHONGLIGUIDINGHUANSUANCHENGDENGDAIJUNBUTUCENGHOUDUJISUAN,JIANTU4. 1。DENGDAITUCENGHOUDUh1 WEI:

亚博体育彩票h1=(H/2-bb)/m (4.1)

SHIZHONG, h1——JIAJINTISHANGTIANTUHUANSUANCHENGDENGDAIJUNBUTUCENGHOUDU(m),

DANGh1< H SHI,QUh1 =H;

m——LUDIBIANPOLV;

亚博体育彩票H——JIAJINTIGAODU(m);

bb——POJIAOZHIQIANGMIANBANSHUIPINGJULI(QIANGTAIHUOMADAOKUANDU)(m);

亚博体育彩票H′——JIAJINTISHANGLUDIGAODU(m)。

亚博体育彩票3)JIAJINTUZHENGTISHIQIAOTAIDIANLIANGCHUCHUANDIDEZIZHONGLI

4) JIAJINTIHOUTIANTUYINQIDETUYALI

亚博体育彩票5) SHUIFULIHESHENGYUSHUIYALI

(2) KEBIANHEZAI

1) CHELIANGHEZAI

2) DUIHUOHEZAI

亚博体育彩票3) QITALIUDONGJIXIEHEZAI

4) CHUANBOHEZAI

5) BOLANGLIHEBINGHEZAI

6) SHIGONGHEZAI

(3) OURANHEZAI

OURANHEZAIYIBANZHIDIZHENHEZAI。

亚博体育彩票JIAJINTUJIEGOUSHIROUXINGJIEGOU,JUYOUHENHAODEKANGZHENXINGNENG。

DIZHENJIBENLIEDUXIAOYU6DUDEDIQU,BUJISUANDIZHENLI,

DIZHENJIBENLIEDUWEI7DU、8DU、9DUDIQU,ZHIKAOLVSHUIPINGDIZHENLI;

亚博体育彩票DAYU9DUDEDIQU,QIDIZHENLIJISUANYINGJINXINGZHUANMENYANJIU。

2.3 荷载组合

GONGLUJIAJINTUJIEGOUDEHEZAIZUHEYOU6;

亚博体育彩票HUAN、MATOU、DIFANGLEIJIAJINTIJIEGOUCHENGZAILIJIXIANZHUANGTAISHEJIKAOLVYIXIASANZHONGZUOYONGXIAOYINGZUHE:

CHIJIUZUHE:DUIYUYUCHIJIUZHUANGKUANGXIADEYONGJIUZUOYONG、ZHUDAOKEBIANZUOYONGHEFEIZHUDAOKEBIANZUOYONGDEXIAOYINGZUHE;CHIJIUZUHECAIYONGSHEJIGAOSHUIWEI、SHEJIDISHUIWEI、JIDUANGAOSHUIWEIHEJIDUANDISHUIWEI;

亚博体育彩票DUANZANZUHE:DUIYINGYUDUANZANZHUANGKUANGXIAYONGJIUZUOYONGYUKEBIANZUOYONGDEXIAOYINGZUHE;DUANZANZUHECAIYONGSHEJIGAOSHUI、SHEJIDISHUIWEIHUODUANZANZHUANGKUANGXIA(RUSHIGONGQI)MOUYIBULISHUIWEI;

OURANZUHE:ZUHEZHONGBAOKUOLEDIZHENZUOYONGXIAOYING。


       3 构造设计

3.1 断面型式

亚博体育彩票DUANMIANXINGSHIGENJUDIXINGHEDIZHITIAOJIAN、JIEGOUWENDINGYAOQIUNIDING。CHANGYONGDEYOUJUXING,DAOTIXING,ZHENGTIXINGHEJUCHIXING。

JIAJINTIQIANGGAO6MIYIXIAZHE,YIBANXUANYONGJUXINGDUANMIAN。

QIANGHOUBIANPOJIAODOU,DIJIJICHUTIAOJIANJIAOHAO,YIXUANYONGDAOTIXINGDUANMIAN。

JIAJINTIDIJITIAOJIANJIAOCHA,HOUFANGBIANPOPINGHUAN,YIXUANYONGZHENGTIXINGDUANMIAN。

QIANGTIJIAOGAO,HUOQIANGJICHUBENSHENJIAOGAO,WEIMANZUZHENGTIWENDINGYAOQIUHEDIJICHENGZAILIYAOQIUSHI,KEXUANYONGJUCHIXINGDUANMIAN。

亚博体育彩票DUANMIANXINGSHIYINGKAOLVDIXING、DIZHITIAOJIAN,MANZUJIEGOUWENDINGYAOQIU(WAIBUWENDINGHENEIBUWENDING),FANGBIANSHIGONG,JINLIANGJIEYUECAILIAOHEZAOJIA,JINGWENDINGJISUANHEDUOFANGANJISHUJINGJIBIJIAOHOUQUEDING。

3.2 基础

亚博体育彩票JICHUFENWEIMIANBANXIADETIAOXINGJICHUHEJIAJINTIXIADEJICHU。

TIAOXINGJICHUDEZUOYONGZHUYAOSHIBIANYUANQIQIANGMIANBAN,QIZHITUO、DINGWEIDEZUOYONG。QICHICUNDAXIAOSHIDIJI、DIXINGTIAOJIANERDING,KUANDUBUYIXIAOYU30cm,HOUDUYEBUYIXIAOYU30cm。KECAIYONGC15SUHUNNINGTUHUOJIANGQITIAOSHI。

亚博体育彩票JICHUDEMAISHENZAIWUJINSHUIDIQU,YIBANKEQU60~100cm;JINSHUIGONGCHENGYINGGENJUSHUILIUDECHONGSHUAHETAOSHUAZUOYONGDAXIAOERDING,YIBANBUSHAOYU150cm。

MIANBANXIADEJICHUJIJIAJINTIXIADEJICHUDOUYINGMANZUDIJICHENGZAILIYAOQIU。RUOCHENGZAILIBUMANZU,YINGJINXINGDIJICHULI,CHULIFANGFAYUQITADIJICHULIFANGFAYIYANG,RUHUANTIAN、JIMI、PAOSHI、ZHUANGJIHEJIAJINDIJICHULIDENG。

TIAOXINGJICHUYANZONGXIANGKEGENJUDIXING、DIZHI、QIANGGAODENGTIAOJIANSHEZHICHENJIANGFENG,QIJIANJUYIBANQU10~30m,YANSHIDIJIKEQUDAZHI。

亚博体育彩票JIAJINTIJICHUZAIZONGXIANGTONGTIAOXINGJICHU,ZAIHENGXIANGKEZUOCHENGJIETIXING,DANTAIJIEZUIHAO2JIEWEIYI,DI1JIDEKUANDUBUXIAOYUQIANGGAODE40%,QIEBUXIAOYU4m 。

3.3 加筋材料

FUHEJIAJINDAI——GANG~SUFUHEJIAJINDAISHIYIGAOQIANGXIGANGSIWEIZHUSHOULAYUANJIAN,WAIBAOGUOKANGLAOHUASULIAOCENG,SULIAOCENGJISHIGANGSINENGXIEDIAOGONGTONGGONGZUO,YOUBAOHUGANGSIMIANZAOXIUSHI。GANG-SUFUHEJIAJINDAIJUYOUJIAOHAODEGONGCHENGXINGNENG,DUIYUJIANZHUGAODAJIAJINTUDANGQIANG,JUYOUBIJIAOMINGXIANDEYOUSHI。

JIAJINCAILIAOYINGJUYOUJIAOGAODEQIANGDU,SHOULIHOUBIANXINGXIAO,BIAOMIANCUCAO、NENGYUTIANLIAOCHANSHENGZUGOUDEMOCALI,KANGFUSHIXINGHAO,JIAGONG、JIEZHANGFANGBIAN,YUMIANBANDELIANJIEJIANDAN、KEKAO。

亚博体育彩票JIAJINCAILIAODEPUSHEYIBANWEIPINGPU。

3.4 填料

亚博体育彩票TIANLIAODEXUANZEYAOQIUYIYASHI、YULAJINCAILIAOYOUZUGOUDEMOCALI、MANZUHUAXUEHEDIANHUAXUEBIAOZHUN。DUIJINSHUIGONGCHENG,YAOQIUSHUIWENDINGXINGHAO。

亚博体育彩票YINCI,LILEITU、SHALEITU、SUISHITU、HUANGTU、ZHONGDIYEXIANZHANXINGTUJIGONGYEFEIZHA(YAOMANZUHUAXUEHEDIANHUAXUEBIAOZHUN)JUNKEYINGYONG。

DUIMUQIANDALIANGYINGYONGDEJUBINGXITUGONGDAI、TUGONGGEZHA、TUGONGZHIWUDENGTUGONGHECHENGCAILIAO,YINGJINLIANGBIMIANJINSHULIZI(TONG、MENG、TIEDENG)JINRUJIAJINTI,TIANLIAOZHONGBUYIHANYOULVHUAGAI、TANSUANNA、LIUHUAWUDENGHUAXUEWUZHI。

TIANLIAODEYASHINENGFOUDADAOSHEJIYAOQIUSHIJIAJINTUGONGCHENGCHENGBAIDEGUANJIAN。JIAJINTULIXUEXINGNENGDEGAISHANHEWENDINGXINGDETIGAOYUTIANLIAODEYASHIJINMIXIANGGUAN,YINCI,TIANLIAOCHULESHANGSHUYAOQIUZHIWAI,HAIBIXUYAOYOUYIGETUGONGBIAOZHUN。

TUGONGBIAOZHUNBAOKUOLIXUEBIAOZHUNHESHIGONGBIAOZHUN,LIXUEBIAOZHUNBAOKUOTIANLIAODEZUCHENGCHENGFEN、WULIZHIBIAO、LIXUEZHIBIAO,SHIGONGBIAOZHUNZHUYAOYIYASHIDULAIKONGZHI。

3.5 面板

MIANBANDEZUOYONGSHIZHUANGSHIZHENGJIEQIANGMIAN、YUESHUTUTI、CHUANDIXIAHUATUTIDETUILI,YUJIAJINCAILIAO、TIANLIAOGONGTONGXINGCHENGJIAJINTI。

亚博体育彩票MIANBANDEXUANZEYUANZESHIYUHUANJINGXIEDIAO、ZAOXINGYOUMEI、BIANYUSHIGONG(YUZHITUOMOFANGBIAN、BIANYUANZHUANG、YUJINDAILIANJIEFANGBIAN,GUIGEPINZHONGSHAO)、ZAOJIAJINGJI。

亚博体育彩票MIANBANDEXINGSHICHANGYONGDEYOUCAOXINGBAN、SHIZIBAN、LIUJIAOXINGBAN、LXINGBAN、JUXINGBANDENG。

MIANBANDEHOUDUYOULAJINLALIDUIMIANBANDEZUOYONGJISUANERQUEDING,ZHANGHEKUANYAOYUJINDAIDEPUSHE、SHIGONGFANGFAXIANGYIZHI。

MIANBANSHANGDEJINDAIJIEDIAN,KECAIYONGYUMAIGANGLAHUAN、GANGBANMAOTOUHUOYULIUCHUANJINKONGDENGXINGSHI。

QIANGDING、ZHUANJIAOCHU、CHENJIANGFENGCHU、YUQITAGOUZHUWUXIANGJIECHUKECAIYONGBUFENYIXINGBANHUOJIAOYUBAN。YIXINGBANHUOJIAOYUBANJIYAOKAOLVDAOJIEGOUSHANGDEXUYAO,YEYAOKAOLVDAOZHENGGEQIANGMIANDEMEIGUAN、ZHENGJIE、SHUNCHANG、ZIRAN。

3.6 排水和反滤设施

JIAJINTUDANGQIANGHEJIAJINTUBIANPODOUXUZUOHAOPAISHUISHESHI。

WEIYUHEANSHANGDEJIAJINTUGONGCHENG,ZAIQIANGMIANBANHOUZUOHAOFANLVSHESHI。

3.7 其它

JIAJINTUDANGQIANGDEYADINGHUOMAOSHI。

QIANGDINGLANGANKEGENJUXUYAOQINGKUANGSHEZHI,XIANJIAOHUNNINGTUMAOSHISHIYULIULANGANZHUCHAKOU。

JIAJINTIJIDIHEHOUFANGBIANPOCHULI。

DANGDANGQIANGGAODUJIAODASHI,ZAIQIANGDEZHONGBUYISHEZHICUOTAI。

DANGQIANGSHANGYOUQITAGOUZHUWUSHI,RUHANDONGDENG,GOUZHUWUDEWENDINGYINGDANDUKAOLV。

QIANG(PO)DINGZHONGDELVHUAYAOQIU。


       4 加筋土工程设计计算

4.1 加筋土工程设计计算内容

亚博体育彩票JIAJINTUDANGQIANGHEJIAJINTUBIANPOSHEJIJISUANNEIRONGYIBANBAOKUO:

(1)NEIBUWENDINGJISUAN

A. JIAJINCAILIAOKANGLAQIANGDUJISUAN

B.JIAJINCAILIAOKANGBAWENDINGJISUAN;

(2)WAIBUWENDINGJISUAN

亚博体育彩票A、JINTIQINGFUWENDING、HUAYIWENDING、ZHENGTIWENDINGYANSUAN,

亚博体育彩票B.JIDIYINGLIHEDIJICHENGZAINENGLIYANSUAN,

C.JIAJINTIZHONGBIANJIEMIANCHUDEQINGFU、HUAYIHEZHENGTIWENDINGYANSUAN;

亚博体育彩票(3)GOUJIANQIANGDUHEPEIJINJISUAN

A.MIANBANQIANGDUJISUAN,

B.GANGJINHUNNINGTUJIAJINDAIQIANGDUJISUAN,

C.QIAOTAIDIANLIANG、DIJIJICHULIANGDENGGOUJIANQIANGDUJISUANDENG;

(4)QITAJISUAN

A.JIAJINTUANBIMATOUXICHUANSHESHIWENDINGJISUAN,

B.SHUILIUDUIJICHUDECHONGSHUAYUFANGHUJISUAN,

亚博体育彩票C.TESHUCHULIDIJIXUYAODEJISUAN,

D.CHENJIANGBIANXINGJISUANDENG。

JIAJINDIJIJISUANNEIRONGYIBANBAOKUO:

亚博体育彩票WENDINGJISUAN、CHENGZAINENGLI(HUOCHENGZAIBI)JISUANHECHENJIANGBIANXINGJISUAN。

SHEJIJISUANSHIYINGKAOLVGEZHONGKENENGDEHEZAIZUHE,JIGEZHONGKENENGDEGONGKUANG。

4.2 加筋土挡墙内部稳定计算

(1)TIAODAISHIZHILIJIAJINTUDANGQIANG

DUIGAODUXIAOYU12mDEYIBANZHILISHIJIAJINTUDANGQIANG,ANJUBUPINGHENGFAJISUAN。SHEJIEDIANDESHUIPINGXIANGJIANJUWEISx,SHUXIANGJIANJUWEISy,ZEJIAJINTIZHONGDIiCENG1GEJIEDIANJIAJINDAIDELALIWEI:

Ti = Ki Wi Sx Sy

Ki KEANGUIFANJISUAN(SHI(3.13))HUOJINGYANFAJISUAN(SHI(3.12g))。

亚博体育彩票JINTIZHONGDIiCENG1GEJIEDIANSUOXUJIAJINDAIDEGENSHUWEI:

nik= TI / Td (4.7)

亚博体育彩票SHIZHONG, nik ——YOUQIANGDUJISUANSUODEDEDI CENG1GEJIEDIANJIAJINDAIDEGENSHU;

亚博体育彩票Td ——JIAJINDAIDESHEJILALI,QUDANGENJIAJINDAIZAIYANSHENLVWEI1.5%~2%DEKANGLALI,QIEBUDAYUJIAJINDAIDEJIXIANKANGLAQIANGDUDE1/4~1/5,(kN)。

亚博体育彩票DIiCENGJIAJINDAIDEMAOGUZHANGDUANXIASHIJISUAN:

L2i=Kf Ti /(2ni b Wi f) (4.8)

亚博体育彩票SHIZHONG, ni ——1GEJIEDIANJIAJINDAIGENSHUDESHEJISHIJICAIYONGZHI, ni 3 ni k ,

亚博体育彩票QIEBUXIAOYU2,YIBANQUOUSHU;

b ——DANGENJIAJINDAIDEKUANDU(m);

QIYUFUHAOYIYITONGQIAN。

JIAJINDAIDEXIALIAOZHANGDUWEI:

Lxi = 2( L1i + L2i )+(0.3~0.5)m (4.9)

亚博体育彩票JIAJINDAIYUMIANBANZAIJIEDIANCHUCAIYONGGANGJINLAHUANLIANJIE,LAHUANSHEJITONGDIAOHUANSHEJI,LALIWEITi 。

亚博体育彩票(2)BAOGUOSHIJIAJINTUDANGQIANG

JIAJINCAILIAOCAIYONGTUGONGGEZHAHUOGAOQIANGTUGONGBU,ZAIZONGXIANGFANGXIANGYIBANLIANXUPUSHE,JIAJINCAILIAOLALIHEKANGBAWENDINGJISUANTONGQIAN,BAOGUOHUIZHEZHANGDUL0ANXIASHIJISUAN:

L0= Kf Ti /(4 g zi tg j sg ) (4.8)

亚博体育彩票SHIZHONG,L0——HUIZHEZHANGDU(m);

亚博体育彩票Kf——KANGBAANQUANXISHU;

Ti——TUGONGGEZHALALI(kN/m), Ti = Ki Wi Si ;

亚博体育彩票Ki ——CEYALIXISHU;

Wi——JISUANJIEMIANSHANGDECHUIZHIYAYINGLI(kN/m2);

亚博体育彩票Si——DIiCENGTUGONGGEZHADECENGJIANJU(m);

亚博体育彩票j sg——TUGONGGEZHAYUTIANTUDEMOCAJIAO(° ),YOUSHIYANCEDE;

QIYUFUHAOYIYITONGQIAN。

TUGONGGEZHADEXIALIAOZHANGDUWEI:

亚博体育彩票Lxi = L0 + L1+ L2 + S (4.11)

YOUYUJIAJINCAILIAOZAIZONGXIANGLIANXUPUSHE,WEILEDADAOJINGJIDEMUDE,KEDIAOZHENGJIAJINCAILIAODECENGJIANJUSi

Si= Td / (Kfi Wi ) (4.12)

SHIZHONG,Td ——JIAJINCAILIAODESHEJIKANGLAQIANGDU,QUJIXIANKANGLAQIANGDUDE1/4~1/5。

亚博体育彩票(3)LXINGMIANBANJIETIXINGDANGQIANG

亚博体育彩票RUTU4.8 SUOSHILXINGMIANBANDEJIETIXINGQIANG,WENDINGPOMIAN(HUOPOLIEMIAN)DEQINGJIAOWEI。POLIEMIANYIWAIWEIHUADONGTI,MEICENGHUADONGTIDEPINGJUNKUANDUWEIaS+0.5r S,MEICENGHUADONGTIDEZHONGLIANGWEI:

Wa = ( a + 0.5 r ) g S2 (4.13)

FANGZHIMIANBANHUADONGSUOXUYAODEJIAJINCAILIAOLALIWEI:

Td = Wa tg( b - j ) (4.14)

JIAJINCAILIAOYUMIANYOULAHUANMAOGUSHI,ANSHI(4.7)HESHI(4.8)QUEDINGJINDAISHULIANG。JIAJINCAILIAOZAILBANCHUCAIYONGHUIZHEBAOGUOSHI,JIAJINCAILIAOYUMIANBANDEMOCALIFbWEI:

Fb = 2a g S2 tg j b (4.15)

HUIZHEJIAJINCAILIAODEMOCALIFWEI:

F0 = 2 g S L0 tg j sg (4.16)

[ Kf ] Ti = Fb + F0 (4.17)

亚博体育彩票SHANGSHUGESHIZHONG,Wa——MEICENGHUADONGTIDEZHONGLIANG(kN/m);

S ——JIAJINCAILIAOCENGJIANJU(m);

a ——LMIANBANDIKUANXISHU, a=B/S;

r ——TIXINGQIANGPODUBI;

亚博体育彩票b ——POLIEMIANQINGJIAO(° );

亚博体育彩票j b——JIAJINCAILIAOYUMIANBANDEMOCAJIAO(° );

(4)QITA

DUIZHENGTISHIQIAOTAIHUOQIANGGAODAYU12 mDEDANGQIANG,ZAIGONGLUHEZAIZUHEⅠ(JIBENKEBIANHEZAIDEYIZHONGHUOJIZHONGYUYONGJIUHEZAIDEYIZHONGHUOJIZHONGZUHE)SHI,YINGCAIYONGZONGTIPINGHENGFAYANSUAN,JIANSHI(3.63)、SHI(3.64)HESHI(3.65)JISUAN,YEKEZHIJIECAIYONGJINGYANFAJISUAN。

亚博体育彩票DUIWAIQIANGMIANDOUYUWENDINGMIANDEJIETIXINGDANGQIANG,YEKEYONGZONGTIPINGHENGFAJISUANJIAJINTIDENEIBUWENDING。


       4.3 加筋土挡墙外部稳定验算

亚博体育彩票SHOUXIANQUEDINGJIAJINTIJIEGOUDUANMIANDE“QIANGBEI”。GENJUJIAJINTIDETIANLIAOHE“QIANGBEI”HOUDETIANLIAOJISHIGONGYAOQIU,CANZHAOFULUQUEDING“QIANGBEI”DEWAIMOCAJIAO,ANGUIDINGQUEDINGGEZHONGGONGKUANG,FENBIEJISUANZUOYONGZAI“QIANGBEI”SHANGDEHEZAI(ZHUYAOWEITUYALI)。

JIAJINTIYANJIDIJIGEJIEMIANCHUDEHUAYIWENDINGANSHI(3.20)HE(3.21)JINXINGYANSUAN。

JIAJINTIDEQINGFUWENDING(YANJIAJINTIQIANZHICHU)ANSHI(3.22)HE(3.23)JINXINGYANSUAN。

JIAJINTIJIDIYINGLIANSHI(3.24)HE(3.25)JINXINGYANSUAN。GENJUGUIFANGUIDING,JIAJINTIHOUZHONGCHUDEJIDIYINGLIs min3 0,DANGYAOMANZUs min=0SHI,XIANGYINGDEJIAJINTIKUANDU,JIDICENGJIAJINZHANGDUWEIZUIXIAO

Lmin = H ( Ka )1/2 (4.18)

DIJIRONGXUCHENGZAILIYANSUAN

QIANGTIQIANZHICHUBUCHAOGUODIJIRONGXUCHENGZAINENGLI[R]ZHI,QIJIAJINZHANGDUWEI:

亚博体育彩票L≥{Ka g 1 H/(〔R〕- g 1 H )}1/2 (4.19)

SHIZHONG,Ka——QIANGHOUTIANTUDEZHUDONGTUYALIXISHU;

H ——JISUANQIANGBEIDETIANTUGAODU(HANDENGDAITUCENGGAODU)(m);

亚博体育彩票g 1——QIANGHOUTIANTUZHONGDU(kN/m3); [R] ——DIJIRONGXUCHENGZAILI(kN/m2)。

YOUYUJIAJINTISHUROUXINGJIEGOU,ANSHANGSHUFANGFAJISUANDEQIANGQIANZHICHUDEZUIDAJIDIYINGLIKEJINXINGSHIDANGZHEJIAN。

JIAJINTIYUDIJIJIHOUFANGBUFENTIANTUDEZHENGTIWENDINGANSHI(3.29)HUOSHI(3.30a)、(3.30b)JINXINGYANSUAN。JISUANSHIYIBANBUKAOLVYUANHUCHUANGUOJIAJINCENGDEQINGKUANG。DUIYUJUCHIXINGDUANMIAN,HUAHUMIANCHUANGUOJIAJINTIDEXIABUJIAJINCENGSHI,YINGKAOLVYONGFUHEHUADONGMIANJINXINGWENDINGYANSUAN,CISHI

Ks=(RAD+RDE+RT) / FAD (4.20)

SHIZHONG,RAD、RDE ——FENBIEWEIYUANHUDUANAD、ZHIXIANDUANDEDEZUHUALI

FAD——YUANHUDUANADDEXIAHUALI;

RT ——BDDUANLAJINCHANSHENGDEZUHUALI;

Tfi——BDDUANDICENGJIAJINDUIYINGGAIHUAMIANDEKANGBALI;

Td—— BDDUANDICENGJIAJINDERONGXULALI;

nk—— BDDUANJIAJINDAIZONGCENGSHU。

4.4 加筋边坡与加筋堤设计计算

(1)JIAJINBIANPO

JIAJINBIANPOYUYIBANBIANPOXIANGBI,PODUDOUBIJIAODOU,GENJUBIANPOGAODUHETIANTUQINGKUANGJIGONGZUOTIAOJIAN,POBIYIBANWEI1 : 0.5~ 1 : 1.5。

JIAJINBIANPODESHEJIJISUANZHUYAOWEIZHENGTIWENDINGJISUAN,JIANSHI(3.66)HUOSHI(3.67)JISUAN。JISUANQIAN,XIANCANKAOLEISIGONGCHENGCHUBUXUANZEJIAJINCAILIAO,NIDINGYIGEBUJINFANGAN,JINXINGSHISUAN。RANHOUZAIGENJUSHISUANJIEGUODIAOZHENGJIAJINCAILIAO,YOUHUABUJINFANGAN,ZAIJINXINGXIANGXIJISUAN。HUOZHEXUANZEDUOZHONGJIAJINCAILIAOHENIDINGXIANGYINGDEDUOZHONGBUJINFANGANJISUAN,BINGJINXINGJISHUJINGJIBIJIAO,CONGZHONGXUANZEZUIJIAFANGANHUIZHISHIGONGSHEJIXIANGTU。

(2)DIDIJIAJINDIANCENG

GENJUQINGKUANG,ANSHI(3.71)HUOSHI(3.72)JINXINGJISUAN。

亚博体育彩票4.4.5 QITASHEJIJISUAN

(1)GOUJIANQIANGDUJISUAN

亚博体育彩票MIANBANCHENGSHOUTIANTUYALI,TIANTUYALITONGGUOJIEDIANJIAJINCAILIAOXIANGHOUCHUANDI。

(2)JICHUCHONGSHUAYUFANGHUJISUAN

(3)JUBUCHONGSHUA

4.5 加筋地基设计计算

TIAOXINGJIAJINDIJIDECHENGZAINENGLIKEYOUXIASHIJISUAN:

P = a c Nc b + T ( 2 sinq + b Ngb / r ) + g Df Ng b (4.25)

亚博体育彩票SHIZHONG,P ——JIAJINDIJICHENGZAILI(kN/m);

a ,b ——DIJIXINGZHUANGXISHU,YIBANa =1,b =0.5;

亚博体育彩票C ——DIJITUDENINGJULI(kPa);

亚博体育彩票Nc,Ng ——YUNEIMOCAJIAOYOUGUANDECHENGZAILIXISHU,ANJIANZHUDIJIGUIFAN,KEQUNc=5,Ng =1.39;

亚博体育彩票b ——JICHUKUANDU(m);

亚博体育彩票T ——JIAJINCAILIAOKANGLAQIANGDU(kN/m);

亚博体育彩票q ——JICHUBIANYUANYUJIAJINCAILIAODEQINGJIAO,YIBANQU10° ~20° ;

亚博体育彩票r ——JIAXIANG“WANGDOU”DEBANJING(m),QURUANTUCENGHOUDEYIBAN,HUOQU3 m,DANBUCHAOGUO5 m ;

亚博体育彩票g ——DIJITUZHONGDU(kN/m3);

Df ——TIANTUXIACHENJICEXIANGLONGQIGAODU(m)。

5 加筋土工程设计注意问题

5.1 材料指标的选用

(1)JIAJINCAILIAO

JIAJINCAILIAODESHEJIQUZHI,YOULIANGGEZHONGYAOZHIBIAO,JIQIANGDUHEBIANXING,GEZHONGSHOUCEHEGUIFANJICHULEYIGEJIAODADEXUANZEFANWEI。ZAISHIJIGONGCHENGZHONG,DUIHECHENGLEICAILIAO,YINGYI2%BIANXINGSHIDEQIANGDUZHIWEIKONGZHIZHI,ZUIDABUCHAOGUOPODUANHEZAIDE1/4,TONGSHIHAIYINGZHUYICAILIAODEFANGLAOHUAXINGNENG;DUIGANG-SUFUHEDAI,BIANXINGBIJIAOXIAO,CAILIAODESHEJIQUZHIBUYINGCHAOGUOQIPODUANHEZAIDE1/3。DUICAILIAOJIANCEZHONGLISANXINGJIAODADECAILIAO,QIANGDUSHEJIQUZHIHAIYINGSHIDANGJIANGDI。

(2)JIAJINTITIANLIAO

JIAJINTITIANLIAODEZHONGDU、NEIMOCAJIAO、SIMOCAXISHUDENGZHIBIAODOUYINGYISHICEZHIWEIZHUN。

(3)HOUFANGTIANLIAOJIDIJICHENGZAINENGLI

QIANGHOUTIANLIAOZAIGONGCHENGSHEJIZHONGYINGYUCHONGFENZHONGSHI,QISHEJIQUZHIJIGUANXIDAOGONGCHENGDEANQUAN,TONGSHIYOUYUGONGCHENGZAOJIAJINMIXIANGGUAN。SHEJIZHONGDUIHOUFANGHUITIANLIAOYINGMINGQUESHIGONGBIAOZHUN,DUITIANZHUFANGSHIHEPAISHUISHESHIDOUYINGCHONGFENZHUYI。

亚博体育彩票DIJICHENGZAILIZHIDESHIJIAJINTIXIADEDIJI,QICHENGZAINENGLIYINGYIDUOZHONGFANGSHIQUEDING,YIXIANCHANGSHICEWEIZHU。

5.2 地基处理

DANGJIAJINTIXIADEYUANZHUANGDIJICHENGZAILIBUNENGMANZUGONGCHENGYAOQIUSHI,DIJIJIUYAOJINXINGCHULI。JIAJINTUJIEGOUDEDIJICHULICHANGYONGFANGFAYOU:

(1)HUANTIAN——JIANGRUANRUOCENGWADIAO,HUANSHANGPIANSHI、SHALUANSHIDENG,FENCENGNIANYATIANZHUHUOHANGTIAN;DUISHUIXIAJICHUYONGHANGSHIDEPAOSHIJICHUANGBIJIAOSHIDANG。

亚博体育彩票(2)JIADAJICHULIANGDEGAODUHEKUANDU;

(3)JIAJINDIJI;

(4)QIANGHANGCHULI;

(5)ZHUANGJI——DANPAIZHUANGLIANXUDIJILIANGHUODIZHUANGCHENGTAI,GENJUWENDINGYAOQIUDINGHEXIANCHANGSHIGONGQINGKUANGDING,KECAIYONGWAKONGZHUANG、ZUANKONGZHUANG、XIEXINGZHUANG、SUISHIZHUANGHEHUITUZHUANGDENG;

(6)GUANJIANG、GAOYAZHUJIANGJISHENCENGJIAOBANDENG。


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