floor rock

The experiment and determination of eliminating outburst drilling holes drainage radius with floor rocks cross drainage drilling holes pre-drainage gas in No2-1 coal seam of Cuimiao Coal Mine are introduced.

介绍了崔庙煤矿二1煤底板岩石穿层抽放钻孔预抽瓦斯消突钻孔抽放半径的实验与测定,确定了合理的抽放半径,以指导矿井消突工作。

Grouting transform technique of aquifer in coal bed floor in Hanwang Coal Mine;

韩王矿煤层底板含水层注浆改造技术

The numerical analysis of the stress distribution of roadway under locomotive stress and in the soft floor strata;

底板软岩动压巷道围岩应力分布的数值分析

Talking about relation between the destruction depth of floor mining at flately inclined seam and actual mining parameters;

浅释缓倾斜煤层底板采动破坏深度与回采参数关系

At present,cathodic protection with grid anodes is the most credible protection way for storage tank bottom plates.

网状阳极阴极保护方式,目前是储罐底板最可靠的保护方式,文章介绍了网状阳极保护系统的组成及原理,并以中哈原油管道阿拉山口首站5万m3浮顶油罐底板阴极保护中网状阳极的施工为例,从网状阳极、通电点、参比电极、电缆、测试桩的安装等方面,详细介绍了网状阳极的施工要点及注意事项。

The reasons of welding distortion for the bottom plate of large sedimentation cupboard is analyzed.

对大型沉降槽底板焊接变形的原因进行了分析 ,并提出了合理的安装和焊接顺序 ,有效地控制了槽底的焊接变形。

The statistic information shows that the bottom plate suffered the most severe corrosion among the corrosions at different sections of the vertical cylindrical steel oil tanks.

资料统计表明 ,立式圆筒形钢制储油罐各部位的腐蚀以罐底板最为严重。

The control of unevenness on the partial base plate of a large pot;

大型槽罐底板局部凹凸超差的控制

On the causes of cracks in base plate and lateral wall of basement and their control measures;

地下室底板及侧壁裂缝产生的原因及控制措施

Construction technology of massive concrete in base plate of Pucheng power station;

埔城电站底板大体积混凝土施工技术

Rebar supporting system design of foundation slab in convention hotel of Zhengzhou;

郑州会展宾馆底板钢筋支撑体系的设计

Comparison of 2-D and 3-D finite element analysis of foundation slab of Taipuhe Pumping Station;

太浦河泵站底板空间和平面有限元分析及其比较

Seamless waterproof construction technique of compensatory contraction concrete structure is adopted and expanding reinforcement belt is set in the super large basement foundation slab and sidewall of Shenzhen Huawei Scientific Research Center.

深圳华为科研中心超大型地下室底板及侧墙采用补偿收缩混凝土结构防水无缝施工技术,设置膨胀加强带,并在施工过程中对施工方案及时进行修正,待底板混凝土自身收缩大部分完成时再浇筑加强带混凝土,侧墙调整外加剂掺量及钢筋间距。