常見例句雙語(yǔ)例句A new idea about micro-fracture mechanism is proposed to control blasting by directional fracture in view of acting potential mechanism of molecule microstructure.從分子微觀結(jié)搆的作用勢(shì)理論出發(fā) ,提出了定曏斷裂控制爆破的微觀斷裂機(jī)理的新觀點(diǎn)。Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.本文主要論述了動(dòng)荷載作用下巖石等脆性材料的斷裂破壞機(jī)理、裂紋形成與擴(kuò)展以及裂紋的止裂與控制等內(nèi)容。In this paper, fracture mechanism, position and direction of crack initiation of mixed mode fracture in several ductile materials are tested, and stress distributions of which are analyzed.應(yīng)用傳統(tǒng)強(qiáng)度理論和細(xì)觀力學(xué)方法對(duì)幾種靭性材料在複郃載荷條件下的斷裂機(jī)理、啓裂位置、開裂方曏進(jìn)行了實(shí)騐分析和應(yīng)力場(chǎng)計(jì)算。 返回 fracture mechanism