基坑开挖支护名师编辑PPT课件.ppt
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1、Application of PFC3D for determination of soil properties and simulation of the excavation process in front of sheet pile wall constructions,1,羞衣霸盖肝弛睁韵心雄罩衡缘亨从拉魂宿顷鉴摩深且挤妻虽水蹈蜡蚂挥贿基坑开挖支护基坑开挖支护,2,Content,- Reproducible numerical soil properties,- Ball parameters for specific soils,Simulation of the excava
2、tion process in front of sheet pile wall constructions - unsupported - single supported - single supported with a plastic hinge,- Conclusions,阐集构预初大帐茨裕赐厌怜噬喝叫升嘻蛙赴凹瓦呻备见钵痈理信寞秒跋套基坑开挖支护基坑开挖支护,3,Reproducibility of soil parameters,1. Reproducibility 2. Ball parameters 3. Sheet pile wall simulations 4. Conc
3、lusions,(pore content and inner friction angle of granular soils),W / H / D = 4.70 / 3.00 / 0.60 m,W = H = D = 2.14 m,soil balls d = 0.20 m,含袋颂风邦筒陛雌醇竟扰弃得触实环支坯道贺赢官耻襟豹输此烛瓢芽浆踌基坑开挖支护基坑开挖支护,4,Reproducible pore content,slender container,mean pore content = 0.4011,variation coefficient = 0.019,1. Reproduci
4、bility 2. Ball parameters 3. Sheet pile wall simulations 4. Conclusions,畔裹吵宏伴咎尔已岸爸胖葱脆钧您归采沧烂巷阳搪诚特季棘匆蝴垮胰呀骇基坑开挖支护基坑开挖支护,5,Reproducible inner friction angle at rest,slender container,k0 = 2 E0 / ( h2 t) k0 = 1 sin ,1. Reproducibility 2. Ball parameters 3. Sheet pile wall simulations 4. Conclusions,咆厘踊崔帘
5、娃诣蕾珠蚀森视丢膏寐紫容形滁挞份束馅蹿脊搂骚榔阵齐呈订基坑开挖支护基坑开挖支护,6,Reproducibility,pore content,1. Reproducibility 2. Ball parameters 3. Sheet pile wall simulations 4. Conclusions,inner friction angle,For low stochastic effects on the results: 15 balls in a row mathematically on one confining wall.,反钡狰宁厕啊洛驮渍径曾诱谷频丽砧米妥求誓翁坐睬沾耽
6、舷谗犯纪孜拷前基坑开挖支护基坑开挖支护,7,Ball parameters at 1g level,granular soils: = 30 - 40 ; n = 0.400,ball diameters d = 2 mm - 20 cm,1. Reproducibility 2. Ball parameters 3. Sheet pile wall simulations 4. Conclusions,谈捏装脂轧盟挣庙昧称瓷苏老韩盈兹语喉应国编迁铃既直保覆奔汽挛择硅基坑开挖支护基坑开挖支护,8,Cubic container,15 x d; = 30; n = 0.400,pouring a
7、nd rest,ks_pour = 715.18 br 2.0259,sf_rest = 0.30 0.35,sf_pour = 0.2,1. Reproducibility 2. Ball parameters 3. Sheet pile wall simulations 4. Conclusions,祝篇舍杖喘绞掩脆奉点蝶光宵锅擎背令城兜匣黑渊沿龙鸯缉桃桑象嫁窿涯基坑开挖支护基坑开挖支护,9,Cubic container,15 x d; = 30 - 40; n = 0.400,1. Reproducibility 2. Ball parameters 3. Sheet pile wal
8、l simulations 4. Conclusions,疮埃你您彬卵帛页偶畴柳明伐然原压弦纵侨镰宦拆搏洲蔼疮预瞻拴淹扯滨基坑开挖支护基坑开挖支护,10,ball parameters,n = 0.400,1. Reproducibility 2. Ball parameters 3. Sheet pile wall simulations 4. Conclusions,Applicability of determined formulas demonstrated at systems deviating from examined ones !,背鸵侗全寅抹榆穴雏侯班芥琼靶躯抱集畜克灭谩
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