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利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

作者:镇田机械 时间:2019-05-11 08:55
利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定 地基孔隙水压力消散是影响地基稳定和沉降的重要因素之一,因此在软土地基储罐设计中,地基孔隙水压力消散的计算问题是其中的一个 信息摘要:

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

地基孔隙水压力消散是影响地基稳定和沉降的重要因素之,因此在软土地基储罐水果拉霸多人版设计中,地基孔隙水压力消散的计算问题是其中的个不可缺少的重要环节。在现场控制储罐的加荷速率时,要观察孔隙水压力的变化情况反过来控制加荷速率。以往按孔隙水压力与充水荷重之比的B小于0.6作为加荷条件,来控制地基的稳定。通过多年实测,并进行大量计算,B小于0.6不定是合适的,尚可进步探索含量值。

1.地基孔隙水压力消散计算公式

DUIYUDUOZHUJIANJIAHEANXIASHIJISUANCHU“0”QINGKUANGRENYISHIKEKONGXISHUIYALIZHI.

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

水果拉霸多人版 JISUANBUZHOUCHENGXUWEIJISUANk。XISHU、JISUANP·、QUEDINGGEHEZAIZAIGESHIDUANSHANGDESHIJIANHEFENBIEJISUANCEDIANZAIGESHIKEKONGXISHUIYALI。

水果拉霸多人版 ZHEIYANGZAIGEHEZAIZUOYONGXIA,DIJIKONGXISHUIYALIZAIBUTONGSHIKEDEDAXIAOJIKEJISUANCHULAI。

 

2.关于孔隙水压力系数

TUTIZAIWAIJIAHEZAIZUOYONGXIACHANZHUDEKONGXISHUIYALIUDEGUILVXING,KEYIYONGKONGXISHUIYALIXISHUA、BBIAODA。ZHEITONGCHANGSHIZAISANZHOUBUPAISHUISHIYANZHONGCEDINGDE。RUTU4-14SUOSHI,ZUOYONGZAITUTISHANGDEZHUYINGLIWEIo1JIQ2=03,ZAIBUPAISHUITIAOJIANXIAZENGJIADAOa1+Ag;JI+Ao3。ZHEISHIKONGXISHUIYALICONGYUANLAIDESHUZHIUoZENGJIADAOuo+△uo,KEYIYONGXIASHILAIBIAODAKONGXISHUIYALIZENGLIANG。

Au=B[A3+A(△1-Ag3)](4-45)SHIZHONG,B、AWEIKONGXISHUIYALIXISHU,JIANTU4-15JITU4-16。XISHUBFANYINGYOUYUZHOUWEIDENGXIANGYALI(HUOZHECHENGJINGSHUIYALI)DEKONGXISHUIYALIZENGLIANG,BAOHEZHANXINGTUDEBZHIJIEJINYU1,JIANTU4-15。XISHUAFANYINGPIANYINGLIZENGLIANG△01-△a3DEYINGXIANG,JIANTU4-16(a)JI(b)。

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

 

TU4-16(a)BIAOSHISHIYANGDEPIANYINGLI1-3YUZHOUXIANGYINGBIAN1DEGUANXI,CHANSHENGDEKONGXISHUIYALIZENGLIANGAUYUDEGUANXI,YIJIYOUCIQIUDEAZHIYUc;DEGUANXI。TUZHONGBIAOSHIZHENGCHANGYAMITUN。YUCHAOGUJIETU(ZHEILISHICHAOGUJIEBIOCR=8)DEQUXIANHENBUXIANGTONG,ZHEISHIYOUYUQIANZHEJIANQIESHIQUYUTIJISHOUSUO,HOUZHEYOUJIANZHANGXING。CONGTUZHONGYEKEYIKANCHUAZHISHIZAIJIAHEGUOCHENGZHONGBUDUANBIANHUADE,YINCICHANGQUPOHUAISHIDESHUZHIA,ZUOWEIJISUANCANSHU,CHAOGUJIETUDEAZHIJIArZHIDOUKEYISHIFUZHI,JIANTU4-16(a)JI(b)。

水果拉霸多人版 TU4-16(c)BIAOSHIJISUANFENXIDEJIEGUO,DANGKONGXISHUIYALIuDUIFUGAIYALIrnZHIBIZENGDASHI,ANQUANXISHUF,ZHIJIANGDI,JUYOUXIANXINGGUANXI。

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

 

ZAIGONGCHENGSHIJIANZHONG,KEQUBZHIBUCHAOGUOMOUXIANZHI≤0.6,ZUOWEITIGONGWENDINGFENXISUOXUDESHUJU,YEKEYONGZUOZHIJIEPANDUANSHIGONGSHIFOUANQUANDECULVEBIAOZHUN。GUANYUGONGSHI(4-46)DEYINGYONG,KEJINSIDIQUCHUGUANCHONGSHUIHEZAIPZUOWEIDAZHUYINGLIZENGLIANGAc1。YOUSHIYEQUZHIWEIDIJITUZHONGDEKONGXISHUIYALIUYUFUGAIYALIr,ZHIBI,JITU4-16(c)DEHENGZUOBIAOr.=LAN,ZHEIZHUYAOSHIYINGYONGYULUDI、SHANGBADENGGONGCHENGZHONG。YINGDANGZHUYI,ZHEIXIEJINJINSHIJIANHUADEJINGYANGUIZE。YISHANGGUANYUKONGXISHUIYALIXISHUA、BDEKAOLV,YOUGELILUNSHANGDEQUEDIAN,JIHULVELEZHONGZHUYINGLI2DEYINGXIANG,GENGHELIDEJIESHITONGGUOBAMIANTIFAXIANGYINGLIJIBAMIANTIJIANYINGLILAIBIAODAKONGXISHUIYALIDESHUZHI。

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

BAMIANTIYINGLIJIANTU4-17(d),YEJIUSHIZAIGEYUZHUYINGLIPINGMIANDENGQINGXIEDEPINGMIANabcSHANGDEFAXIANGYINGLIagJIJIANYINGLIel,KEZHENGMINGWEI

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

 

3.地基孔隙水压力消散计算

水果拉霸多人版 DIJIKONGXISHUIYAXIAOSANDEJISUANBAOKUOSANGEFANGMIAN,XIANSHIZENYANGGUSUANZAIWAIJIAHEZAIZUOYONGXIADEDIJIYINGLIZENGLIANG,YIJIXIANGYINGDEQISHIKONGXISHUIYALI(GENGQIADANGDESHUOFAYINGDANGSHIQISHICHAOKONGXISHUIYALI);QICISHIGUJIEGUOCHENG,JIKONGXISHUIYALIXIAOSANDEGUOCHENG;DISANSHIFENZHUJIANJIAHETIAOJIANXIADEKONGXISHUIYALIZENGZHANGHEXIAOSANJISUAN。

ZAIGUDIANDEDANXIANGGUJIELILUNZHONG,BASHUZHIXIANGFUJIAYINGLIa,ZUOWEIQISHIKONGXISHUIYALI。ZHEIYANGKEYIJISUANMOUTUCENGZAIMOUSHIJIANtDEGUJIEDU。

U=1-ae-8(4-48)SHIZHONG,a,βKEANGONGSHIJISUAN,YEKEYICONGSHICECHENJIANGFANSUANQIUDEβZHI。LINGWAI,YEKEYIKAOLVDIJITUCENGNEISHENDU:ZAIMOUSHIJIAN:DEKONGXISHUIYALIaJIGUJIEDUU,。LIRU,GUANYUDANXIANGGUJIE“0”XINGDELILUNJISUANSHUZHI,SHIYUTU4-18ZHONG。

利用现场实测地基孔隙水压力控制不锈钢储罐地基稳定

水果拉霸多人版 GENGHELIDEFENXIFANGFASHIJISUANDIJITUZHONGDEBAMIANTIYINGLIl,a,CHONGSHUIHEZAILIANGA0,△xYIJIYOUCICHANSHENGDEKONGXISHUIYALIZENGLIANG△u。CHUGUANDIJIYINGLISHIBIJIAOJIANDANDEZHOUDUICHENGWENTI,YIJINGYOUWANZHENGDEJISUANSHUZIBIAO[KECANKAO。YOUCIKEYIGENJUGONGSHI(4-47)JI(4-47a)JISUANYINGLIJIYINGLIZENGLIANG。RANHOU,CONGSHINEISHIYANKONGXISHUIYALIXISHUA、BBINGANGONGSHI(4-48b)QIUDEXISHUa、BHUOa'、“ZHI,YOUCIJIKEANGONGSHI(4-48)HUO(4-48a)JISUANDEDAODIJINEIRENYIDIANDEKONGXISHUIYALIZENGLIANGAU。GUANYURUHEKAOLVFENZHUJIANJIAHETIAOJIANXIADEKONGXISHUIYALIJIJUHEXIAOSAN,KECANKAOGUANYUCHENJIANGSULVJISUANDEFANGFA,DANZHEIZHINENGYONGYUBIJIAOJIANDANDETIAOJIAN,RUDANXIANGGUJIE、SHAJINGGUJIEDENG。GUANYUZHEIWENTI,ZHEILIBUZUOXIANGXILUNSHU。

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