2) cement backfills
混凝土回填
1.
An experimental system of ground coupled heat pump GCHP was set up with two types of U-vertical ground coupled heat exchanger UGCHE, one of which was a UGCHE with sandstone backfills and the other was a UGCHE with cement backfills.
建立了一套组合型地下埋管换热器地源热泵实验系统,针对该系统所采用的不同回填材料U型垂直埋管即沙石回填的U型井埋管和混凝土回填的U型桩埋管换热器,分别进行在不同进口温度和流量下的取热和排热实验,分析这两种埋管换热器的换热效果和性能。
3) refilling concrete
回填混凝土法
4) steel lining and concrete lining
钢衬、回填混凝土衬砌
5) concrete filled
内填混凝土
1.
Twelve concentrically compressed concrete filled circular CFRP-steel tubular members are experimentally investigated and the test results are analyzed as well in order to understand their static performances and the influences of slenderness ratio and bending strengthening factor on the ultimate load bearing capacity and the load bearing capacity enhancement ratio.
试件的载荷-柱中挠度曲线可以分为弹性阶段、弹塑性阶段、塑性阶段和下降段;笔者研究对象的延性优于FRP筒内填混凝土轴压构件。
2.
Twelve eccentrically compressed concrete filled circular CFRP-steel tubular columns are experimentally investigated and the test results are theoretically analyzed in order to understand their static performances and the influences of slenderness ratio and eccentricity ratio on the ultimate load bearing capacity.
结论CFRP-钢管混凝土偏压柱的延性性能要好于FRP筒内填混凝土偏压柱。
6) core concrete
填芯混凝土
1.
Axial pull-out test of core concrete of prestressed concrete pipe piles and analysis of stress at the pile end;
填芯混凝土轴拔试验及桩端应力分析
2.
It can embed reinforced bar and pour concrete in pile s upper portion to make it combined with the platform,so the core concrete can improve shear performance of the pile.
在试验的基础上对预应力管桩的抗剪承载力进行了研究,并对填芯混凝土在抗剪承载力中的作用进行了探讨。
3.
The end of prestressed concrete pipe pile is joined with base slab through the core concrete.
预应力管桩桩顶通过填芯混凝土与基础平台相连,对于地下水丰富地区桩箱、桩筏基础以及对于受倾覆力矩作用的高层建筑或高耸结构,基础有可能全部或者一侧受拉,使得桩顶填芯混凝土受到拉拔力作用。
补充资料：回填
土石方工程上指把挖起来的土重新填回去：～土ㄧ～的时候要逐层夯实。
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