C70,C75 high strength concrete were used to construction of deep unconsolidated layers frozen shaft.
在深厚松散层冻结井筒中采用了C70、C75高强高性能混凝土。
At the Guqiao coal mine,building south of the area the intade shaft frost zone,China coal no.
中煤第七十一工程处在顾桥煤矿南区进风井井筒冻结段外壁施工过程中,克服井筒断面大(净径Φ8。
Base on the a series theoretical and numerical analyses (Flac3D) and filed observation, the freezing pressure in freezing shafting lining and vertical additional force acted by drainage deposition and stress, strain in shafting lining have been researched and discus.
本文采用理论分析、数值模拟计算(FlaC3D)、现场实测相结合的研究方法，对深厚表土中冻结立井井筒的冻结压力、疏排水过程中的附加力以及井壁的应力、应变进行了研究和探讨，利用线性回归得到了井壁的冻结压力回归公式，得到了冻结压力与土性、冻结温度、深度等参数之间的关系、井壁的破裂原因、破裂位置、破裂形态的发展、疏排水造成的附加力的变化规律以及不同位置井壁的应力、应变变化规律。
Rapid Construction Technology of Freezing Well-wide Shaft of New Shanghai No.1 Ventilation Shaft Mine
新上海一号矿风井全井冻结井筒快速施工技术
Slippery Mold Construct of Internal Shaft Lining in Freezing Shaft on Large Sectio Thick Surface Soil
大断面深厚表土层冻结井筒内层井壁滑模施工
Technical Analysis of Rapid Excavation of Freezing Saft of YANGYIN Mine's Main Shaft
杨营矿主井冻结井筒实现快速掘砌施工的技术浅析
Dynamic Analysis on the Stabality of the Freeze Shaft Lining in Thick Top Soil;
深厚表土中的冻结立井井筒稳定性动态分析
Application of information construction technology in the deep shaft freezing method
信息化施工在深井井筒冻结中的应用研究
Increasing Blasting Efficiency of Frozen Rock and Speedingup Shaft Construction
提高冻结基岩爆破效率 加快立井井筒施工速度
Using Bedrock Freezing for Safe and Rapid Construction of Large-Diameter Shaft
大直径井筒全井基岩冻结法安全快速施工
The Key Technology of Freezing Repairing Shaft of the 658m Soft Rock Drilling Shaft
658m软岩普通法凿井井筒冻结修复关键技术
The Simple Discussion on the Safe Construction of Deep Thick Swelling Clay Layer of Vertical Shaft
浅谈立井井筒深厚冻结膨胀粘土层的安全施工
Quick Construction Technology of Big Section Deep Shaft with Freezing Surface Soil
大断面深立井井筒冻结表土段快速施工技术
The Construction Technology of the Frozen Air Shaft with Huge-Thick Soil and Major Diameter
巨厚表土层大直径立井井筒冻结法施工技术
Shaft Slippery Mold Construction of Frosen Liner at Big Section with Deep Thick Surface Soil
大断面深厚表土层冻结立井井筒内层井壁滑模施工
Application of Liquid Nitrogen Freezing Technology to Water Sealing Rescue in Mine Shaft
液氮冻结技术在井筒封水抢险中的应用
The Frequent Problems of Freezing Method in Shaft and Their Prevention and Treatment Measures
井筒冻结法施工的常见问题及防治措施
Research on the Influence of Frost Heave of Frozen Soil to Derrick Footing in Freezing Sinking Shaft;
冻结法凿井冻土冻胀对井架基础影响的研究
A Non-linear Number Analysis of the Frozen-wall;
冻结凿井时冻结壁的非线性数值分析
Analysis and Prevention of Freezing Tube Breakage in Deep Shaft Freezing Sinking;
深井冻结凿井冻结管断裂原因分析及防治技术
In-Situ Measurements and Analysis of Frost-Heave Pressure Inside and Outside the Ice Wall During Freeze Sinking
冻结法凿井冻结壁内外部冻胀力的工程实测及分析