1) closure of rift
裂谷的闭合
2) fracture closure
裂缝闭合
1.
Considering the heat exchange between the fracture fluid and the rocks occurred in closure process and by means of building up hydraulic fracture temperature field model,the change of temperature field during the fracture closure process has been figured out and combined with the experiment data of that the temperature affects the fluid flowage .
基于压开裂缝闭合过程中压裂液向储层中渗流的物理过程分析,建立了裂缝闭合过程中压裂液滤失量的数值计算方法。
2.
Firstly, according to theory of fluid flow in porous media, mechanism of leakoff of fracturing fluid during fracture closure was analyzed and a 2D dynamic leakoff model of non-Newtonian fracturing fluid was estab.
首先，依据渗流力学理论对裂缝闭合过程中压裂液的滤失机理进行分析，建立了压裂液滤失的二维数学模型和数值模型。
3) crack closure
裂纹闭合
1.
A Study of Fatigue Crack Propagation and Crack Closure in Welded Joints;
疲劳裂纹在焊接接头中的扩展及裂纹闭合的研究
2.
The result shows that the crack closure is the main reason of the difference of the da/dN～ΔK curve in different stress ratios of the long crack,but it is probable not the main reason of the difference of the da/dN～ΔK curve of the short crack and the long crack.
结果表明裂纹闭合是导致长裂纹在不同应力比R时的裂纹扩展规律差异的主要原因,但它可能不是引起小裂纹、长裂纹的扩展差异的主要因素。
3.
An finite element model which takes the contact between crack lines into account was built,and the numerical simulation of the effects of inclusion,temperature and remote stress on crack closure has been carried out.
本文建立了考虑裂纹面接触的含夹杂裂纹体有限元模型 ,计算了夹杂、温度和远场应力对裂纹闭合的影响。
4) crack closing
裂缝闭合
1.
Cracking performance and crack closing of retard-bonded prestressed concrete beams
缓粘结预应力混凝土梁抗裂和裂缝闭合性能
2.
Finally,the application of crack closing in engineering is discussed.
通过对４根后张部分预应力混凝土轴拉构件的试验研究，对部分预应力混凝土轴拉构件的受力特性、裂缝展开及闭合的机理进行了理论分析；对“闭合荷载”进行了理论推导，文末就裂缝闭合在工程设计中的应用进行了探讨。
3.
Based on the test results of 12 partially prestressed concrete beams, the crack closing charactistics is studied.
本本根据１２根先张法部分预应力混凝土梁的试验结果，研究了部分预应力混凝土梁的裂缝闭合性能。
5) crack closure
裂缝闭合
1.
An attempt is made to study some major factors that affect crack width, crack closure, and deformation of a unbonded partially prestressed concrete (PPC) beam.
通过２６根无粘结部分预应力高强混凝土梁，研究了影响裂缝宽度及裂缝闭合和变形的主要因素，将无粘结部分预应力高强混凝土梁在使用荷载作用下的受力状态转化为偏心受压构件的受力状态，求解非预应力筋的应力，然后采用现有规范裂缝宽度计算公式来求无粘结部分预应力高强混凝土梁的裂缝宽度，并建立了重复荷载作用下的无粘结部分预应力高强混凝土梁裂缝宽度计算公式；应用名义拉应力建立了闭合弯矩计算公式。
6) close crack
闭合裂缝
1.
The observational result of crack fracture form for rock samples with close crack under unloading after the peak compression shear load.
介绍了对含闭合裂缝岩石试件在达到峰值压剪荷载时卸荷的裂缝断裂形态观察结果。
补充资料：重力闭合
分子式：
CAS号：
性质：指压缩模塑成型时，下压式压机的闭合是依靠压机的活塞及其附件的自重来完成。重力闭合在成形加工中经常使用，有别于靠施加外力如油压等使压机闭合。
CAS号：
性质：指压缩模塑成型时，下压式压机的闭合是依靠压机的活塞及其附件的自重来完成。重力闭合在成形加工中经常使用，有别于靠施加外力如油压等使压机闭合。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条