With similar w/c ratios,increase of vibration time will result in an increase of air loss ratio,and with similar vibration .
水胶比相同时,含气量损失率基本上随着高频振捣时间的延长而增加;高频振捣时间相同时,含气量损失率随着水灰比的增加而增加。
The causes of the ground surface settlement due to the urban tunnel construction are analyzed,which includes two main causes,one is the ground lose,the other is the consolidation and creep of soil layers under new stress state.
分析了城市隧道施工引起地表沉降的原因,主要包括地层损失和在新的应力状态下土层固结与蠕变方面的原因。
Soil displacements are induced by ground loss and are affected greatly by grouting amount.
隧道周围土体的位移是由地层损失引起的,并且与注浆量有很大关系。
Soil displacement is induced by ground loss and is affected by injection am ount.
隧道周围土体的位移是由地层损失引起的,并且跟注浆量有很大关系。
Based on elastic deformation theory, a closed-form solution for surface movements due to ground loss, which is derived from supposed 3D tunneling approaching procedure according to real-time engineering conditions considering shield machine deviation, is proposed to predict three-dimensional surface movements in undrained soil.
在 Sagaseta 提出的基于由地层损失引起的地表沉降理论基础上,结合工程实际情况,提出了模拟盾构推进过程的三维地层损失模式,并推导了相应的地表位移计算解析公式,对实际工程具有参考价值。
The construction mechanics effects of pipe-jacking with earth pressure balance are analyzed,for instance,the bulkhead pressure,stratum loss,and grouting.
采用3D数值分析方法对机头正面推力、地层损失、注浆以及共同作用等进行模拟,旨在了解顶管施工引起的环境力学效应,为采取措施减小这种影响提供依据。
DCM-based on ground loss for response of group piles induced by tunneling
基于地层损失比的隧道开挖对临近群桩影响的DCM方法
The insulating course and heat loss in floor radiant heating
谈地面辐射采暖的绝热层与层间传热损失
Assessment of natural gas diffusion loss from multiple source rocks-an example from shallow gas source rocks in the northern Songliao Basin
多套源岩天然气扩散损失量评价——以松辽盆地北部浅层气源岩为例
regional gains and losses
地区性的获得和损失
the world loss of cropland
世界范围的耕地损失
deep permeability damage
地层深部渗透性损害
You should ensure yourselves against loss of heat by having double glazing.
你应该使用双层玻璃以免热量损失。
Research on Prediction of Damage Failure and Fatigue Life for Composite Bolted Joints;
层合板接头损伤失效与疲劳寿命研究
The Analysis of Energy Loss of Steam Line Network and the Optimization of Insulating Layer;
输汽管线能量损失分析及保温层优选
The Design of Ni60A/MoS_2 Composite Coating and its Wear Failure Mechanism
Ni60A/MoS_2复合涂层设计及磨损失效机理
Analysis of Wear-failure of Surface Metallurgy Coatings and Countermeasures
表面冶金涂层的磨损失效形式与对策
The amount of solar energy which is lost on the way in the atmosphere is about equal to the amount which is received at the surface of the earth.
穿过大气层时所损失的太阳能约等于在地球表面上所接收的太阳能。
Intergenerational Allocation of Farmland Conversion and Farmland Resource Loss;
农地非农化代际配置与农地资源损失
Inefficiency and Excessive Loss of Farmland Conversion in China;
现阶段农地非农化配置方式效率损失及农地过度性损失
liability for damage caused by the launching of objects into outer space
物体发射进入外层空间所致损失的责任
cover with lagging to prevent heat loss.
用绝缘层材料覆盖在外面防止热量的损失。
The Republican high command attempted to repair this damage
共和党的最高领导层企图弥补这个损失。
Failure Mechanism of Single-Layer Latticed Domes with Damage Accumulation under Earthquakes;
基于损伤的单层球面网壳强震失效机理研究
