例句與用法

1. The risk of using the thermally insulated pipeline is that the exterior layers covering the steel pipe may be pulled off if the shear stress on the interface induced by the pullout force from the tensioner is greater than the binding force between two neighboring layers during installation
   鋪設(shè)單重管最容易出現(xiàn)的問題是由于張緊器張力作用而導(dǎo)致單重管各層之間產(chǎn)生剪切力，如果抗剪能力不足產(chǎn)生相對滑移，就會出現(xiàn)拉脫現(xiàn)象，造成工程事故。
2. Thirdly writer , using linear elastic theory and finite element program ( ansys ) , analyzed expanding bolt pullout test . fifthly , writer using the modified mohr - coulomb failure theory , on the base of curving failure surface , derived a theoretical formula between pullout force and compressive strength . then the thesis compared the formula with the strength - detecting formula of expanding bolt pullout method
   本文采用ansys有限元程序?qū)γ浰ò纬龇ㄔ囼炦^程進行彈性理論分析；以修正的摩爾-庫侖破壞準則，在擬合實際破壞面的基礎(chǔ)上推導(dǎo)出極限狀態(tài)下脹栓拔出法的混凝土拔出力與混凝土抗壓強度的理論公式，并把該公式與脹栓拔出法測強公式進行了比較。
3. The mechanism of reinforcing steel bar under the press or pull is researched and the characteristics under the pull - press cyclic loading is studied in composite foundation . it shows that the stress concentrating on the reinforcing steel bar and the increasing stress can be seen with the increasing of cyclic times . residual strain always exists after unloading without considering the size of pullout force and increases slowly with the cyclic times
   探討了復(fù)合地基中抗拔鋼筋的受壓受拉機理及在拉壓循環(huán)荷載作用下的性狀，研究發(fā)現(xiàn)，隨拉壓循環(huán)次數(shù)的增加，應(yīng)力向鋼筋集中，鋼筋承受的壓力隨著增大；無論上拔力大小，卸載后都有殘余變形，并隨著拉拔循環(huán)次數(shù)的增加而緩緩增加；抗拔碎石樁破壞性狀明顯，可明確的得到抗拔碎石樁的破壞荷載。