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饱和混凝土
相关语句
  saturated concrete
     Saturated concrete elastic modulus prediction
     饱和混凝土的弹性模量预测
短句来源
     EXPERIMENTS ON SATURATED CONCRETE UNDER DIFFERENT SPLITTING TENSILE RATE AND MECHANISM ON STRENGTH CHANGE
     不同加载速率下饱和混凝土的劈拉试验研究及强度变化机理
短句来源
     The influences of cement further hydration and water viscosity in pores and cracks on the elastic modulus of saturated concrete are taken into account in the model.
     该模型考虑了水影响下的水泥后期水化和孔隙水的粘滞力对饱和混凝土弹性模量的影响。
短句来源
     Micro-mechanism of static and dynamic strengths for saturated concrete
     饱和混凝土静动力抗压强度变化的细观力学机理
短句来源
     Experiments of the compressive properties of dry and saturated concrete under different loading rates
     不同加载速率下干燥与饱和混凝土抗压性能试验研究分析
短句来源
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  “饱和混凝土”译为未确定词的双语例句
     The temperature processes of the main point and the hot face were estimated with modified thermal parame-ters of concrete, and compared with rneasurements, which show that they are in agreement with each otherand the error is less than 6%, and the thermal diffuslvity of the rnoistest specimen is about 1. 6 times that ofthe driest one.
     用修正后的混凝土热物性参数,计算了试验条件下主测点与加热面上的温度变化过程.试验表明计算值与实测值吻合良好,误差在6%以内.由本实验方法得到的饱和混凝土试件的导温系数为干燥试件导温系数的1.6倍.
短句来源
     Whereas,when loading rate is fast the free water in crack will not be able to reach the tip. Due to the combined positive of pore water pressure,viscous of water and Stefan Effect the dynamic compressive strength of concrete will be enhanced.
     快速加载时,裂纹中的自由水较难达到缝尖,受负的孔隙水压力和自由水黏度及Stefan效应影响,饱和混凝土的动力抗压强度升高。
短句来源
     It is concluded that with the increasing strain rate, tensile strengths of specimens with the two types of moisture contents both tend to increase, and more remarkably for the saturated specimens;
     试验得出:当应变速率提高时,各种湿度条件下的混凝土拉伸强度均有提高,饱和混凝土抗压强度提高尤为显著;
     initial modulus of saturated specimen has a more dramatic increase than that of specimen with natural moisture content;
     两种湿度混凝土的弹性模量有较大幅度的增加,饱和混凝土初始弹性模量提高幅度更为明显;
  相似匹配句对
     Saturated concrete elastic modulus prediction
     饱和混凝土的弹性模量预测
短句来源
     concrete;
     混凝土;
短句来源
     STUDY ON THE DEGREE OF CONCRETE SATURATION
     混凝土饱和程度影响因素的研究
短句来源
     Intellectual Concrete
     智能混凝土
短句来源
     Preparation methods of hydrogenated nitrile rubber
     饱和丁腈橡胶的制备
短句来源
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  saturated concrete
Moisture transport in initially fully saturated concrete during drying
      
Particular emphasis was placed on the initial stage of drying of saturated concrete, where moisture contents are high.
      
Finally, correlation to the diffusion in a saturated concrete is discussed.
      
Leak-tightness of concrete is often judged in terms of the D'Arcy coefficient determined by the flow of water through saturated concrete at a constant rate.
      
In the case of flow through saturated concrete, this rate often reduces with time and reaching a constant value may take many days.
      
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This paper gives the relation graph of displacement and working pres- sure,discusses the relation between working pressure and displacement of main hydraulic pump.It points out the important factors which can reduce working pressure of concrete pump are increasing displacement suitably and pledging stability of saturated concrete.These help user with using pump suitably.

先给出排量与工作压力关系图,然后分别对主液压泵工作压力的形成及混凝土泵的排出压力与排量的关系进行了探讨.指出合理提高泵的排量、保证饱和混凝土的稳定性是降低混凝土泵工作压力的决定性因素.

Erosion damage of concrete by freeze-dissolve is a serious endanger to structures, the damage forms include crisp of surface, swell and crack of depth of body. Thereasons of the damage are that water is fully salurated in conerete, grade of freeze-dissolve of concrete is too low, quality of construction is bad, etc. Method of mending ofthe damage parts is cutting off the broken part and monding with new concrete. Materias- used are concrete with higher qrade of freeze-dissolve, cement mortar with polymers, pre-contracted...

Erosion damage of concrete by freeze-dissolve is a serious endanger to structures, the damage forms include crisp of surface, swell and crack of depth of body. Thereasons of the damage are that water is fully salurated in conerete, grade of freeze-dissolve of concrete is too low, quality of construction is bad, etc. Method of mending ofthe damage parts is cutting off the broken part and monding with new concrete. Materias- used are concrete with higher qrade of freeze-dissolve, cement mortar with polymers, pre-contracted cement mortar etc. The main points of mending technology are asfollows, 1. clean out old concrete, 2. surface treatment, 3. put on new material, 4.maintain.

混凝土冻融剥蚀破坏对工程危害较大,破坏形态特征有表面酥松剥落、深层冻胀破坏及冰冻裂缝,形成原因包括渗漏水使不具备饱水条件的混凝土吸水饱和、混凝土设计抗冻标号偏低、施工质量差等。冻融破坏的修补对策为"凿旧补新",修补材料有高抗冻混凝土、聚合物水泥砂浆、预缩水泥砂浆等。修补工艺要点为:①清除损伤的老混凝土;②修补体与老混凝土结合面的处理;③修补材料的浇筑回填;④养护。

Through five groups of combined specimens, thermal conductivities with different moisture con-tents of concrete are measured experimentally. The measured results were modified by formulas of principle.The temperature processes of the main point and the hot face were estimated with modified thermal parame-ters of concrete, and compared with rneasurements, which show that they are in agreement with each otherand the error is less than 6%, and the thermal diffuslvity of the rnoistest specimen is about 1. 6 times...

Through five groups of combined specimens, thermal conductivities with different moisture con-tents of concrete are measured experimentally. The measured results were modified by formulas of principle.The temperature processes of the main point and the hot face were estimated with modified thermal parame-ters of concrete, and compared with rneasurements, which show that they are in agreement with each otherand the error is less than 6%, and the thermal diffuslvity of the rnoistest specimen is about 1. 6 times that ofthe driest one.

利用5组组合试件,测试了不同含湿状态下混凝土的导温系数,并采用原理部分的公式对实测结果进行了修正;用修正后的混凝土热物性参数,计算了试验条件下主测点与加热面上的温度变化过程.试验表明计算值与实测值吻合良好,误差在6%以内.由本实验方法得到的饱和混凝土试件的导温系数为干燥试件导温系数的1.6倍.

 
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