rock shaft

Experimental analysis of the character of shaft resistance along large diameter socketed pile casted in soft rock

大直径软岩嵌岩桩侧阻性状实测分析

The main purpose is to research temperature stress of the concrete shaft in rock part of deep shaft, and the important influence of the temperature stress to the optimization design of shaft construction.

本文的主要目的是研究深立井混凝土井壁的温度应力及温度应力对井壁结构优化设计的重要影响。

The Rock Mechanical and Hydraulic Analysis of the Water-bearing Strat around a Circular Shaft and Tunnel

圆形井巷含水围岩的岩体&水力学分析

Optimum design of middle hard rock blast parameters during shaft extending

立井延深中硬岩爆破参数的优化设计

Cone type roller bearing rock bit The tapered gear box and universal shaft transmit smooth power and are simple to assemble and disassemble.

滚柱轴承锥形牙轮钻头锥齿轮箱＋万向轴动力上台，传动可靠，装拆方便。

Surface pre-grouting is used to consolidate surrounding rock and block off water in the construction of the second auxiliary shaft.

第二副井施工采用地面预注浆，对基岩段进行围岩加固和堵水。

The application of cement injection technology to stop the flowing water in shaft rock wall

料石井壁注浆堵水技术的应用

Design of Rock Pillar Left in Advance of Shaft Deepening

立井延深预留保护岩柱的设计

In addition, the curve forms of side resistance of pile along the pile shaft in flat ground and rock slopes of different angles are determined through calculation examples.

通过算例得出平地及不同坡度岩质边坡中的嵌岩桩侧摩阻力沿桩身的曲线分布形状。

On the basis of experimental data the socket length, base resistance and shaft resistance of rock-socketed piles have been analyzed.

结合试验资料对嵌岩桩的嵌岩深度、端阻力以及桩侧阻力进行了分析。