森林工程
森林工程
삼림공정
FOREST ENGINEERING
2012年
6期
69-73,78
,共6页
深基坑%双排桩%影响因素
深基坑%雙排樁%影響因素
심기갱%쌍배장%영향인소
deep pit%double-row piles%influencing factor
利用ABAQUS有限元软件,采用平面应变有限单元法,研究深基坑中双排桩支护结构的位移和弯矩内力等变化。分析双排桩排距、桩距、连梁刚度和被动区土体加固对双排桩支护的影响,结果表明排拒、连梁刚度和加固被动区土体能显著改善双排桩支护效果,而桩距的影响不明显。
利用ABAQUS有限元軟件,採用平麵應變有限單元法,研究深基坑中雙排樁支護結構的位移和彎矩內力等變化。分析雙排樁排距、樁距、連樑剛度和被動區土體加固對雙排樁支護的影響,結果錶明排拒、連樑剛度和加固被動區土體能顯著改善雙排樁支護效果,而樁距的影響不明顯。
이용ABAQUS유한원연건,채용평면응변유한단원법,연구심기갱중쌍배장지호결구적위이화만구내력등변화。분석쌍배장배거、장거、련량강도화피동구토체가고대쌍배장지호적영향,결과표명배거、련량강도화가고피동구토체능현저개선쌍배장지호효과,이장거적영향불명현。
With plain strain finite element method,the characteristis of double-row piles of excavation of foundation pit are studied through the FEM sofeware ABAQUS.Based on an actual example,some influencing factors have been analyzed,such as the top-beam stiffness and the distance between rows of piles.The results show that the top-beam stiffness and reinforcing passive zone soil can significantly improve the supporting effect of double-row piles,but the impact of the distance between the piles is not significant.
