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So its stability is analyzed with ANSYS, considering the promoting effect of stirrups on strength of core concrete.

高墩中通常配置较多的主筋及箍筋，核心混凝土受到箍筋约束，其强度及延性都有所增长，因此对这部分混凝土不能按照规范给出的普通混凝土的应力—应变关系进行分析，必须为它们选用合适的本构关系，才能使分析结果较接近实际值。

Commonly used casing hardware includes guide or float shoes, float or landing collars, centralizers, scratchers and cement baskets.

普遍使用的套管柱配件包括引鞋或浮鞋、浮箍或坐放箍、扶正器、刮泥器和水泥伞。

Leading products: GQ40-type reinforcing steel cutting machine, GQ50-type reinforcing steel cutting machine, GQ16-type reinforcing steel cutting machine, GW40-type steel bending machine, GW40C steel semi-automatic bending machine, GW40-1 type steel bending machine, GW50 steel bending machine type, GF - l6-type steel stirrup bending machine, GF-l8-type steel stirrup bending machine, GT6-12-type steel Straightening Machine, HMD, HMR vane surface wipe-ray machine, JQ70-type rammers, JQ85-B-type ( Honda GX120) rammers, HQL18 (12)-type road-cut machine

主导产品：GQ40型钢筋切断机、GQ50型钢筋切断机、GQ16型钢筋切断机、GW40型钢筋弯曲机、GW40C型半自动钢筋弯曲机、GW40-1型钢筋弯曲机、GW50型钢筋弯曲机、GF-l6型钢筋箍筋弯曲机、GF-l8型钢筋箍筋弯曲机、GT6-12型钢筋调直机、HMD、HMR叶片式地面抹光机、JQ70型冲击夯、JQ85-B型(本田GX120)冲击夯、HQL18(12)型路面切缝机

Processing company main products are: a variety of steel grade, multi-threaded type of coupling casing oil, petroleum oil pipe coupling, oil casing thread processing.

公司加工的主要产品为：多种钢级、多种螺纹类型的石油套管接箍、石油油管接箍、石油套管的螺纹加工。

Chi Chun oil Shandong Machinery Co., Ltd., located in China's second largest oilfield Shengli Oil Field in Dongying City, Shandong location, the main tool for petroleum products for the manufacture and sale of the company for the China University of Petroleum relying on scientific research bases, leading products include: the use of the rigs Efficient wear shoes, duplex milling Cone, Cone window milling, Xitou sets, sets milling extinguishers, the mother Cone Cone, screw drill, screw pump drives, production efficiency devices, with oil production by pumping leakproof , Feng Jing, tubing collar, the collar rod, such as wellhead valves.

采油增效装置等。山东骏驰石油机械有限公司，位于中国第二大油田胜利油田所在地山东东营市，主营产品为石油专用工具制造及销售，公司依托中国石油大学为科研基地，主导产品包括：各型修井用高效磨鞋，复式铣锥，开窗铣锥，套铣头，套铣筒，公锥母锥，螺杆钻具，螺杆泵驱动装置，采油增效装置，采油增抽防漏器，封井器，油管接箍，抽油杆接箍，井口阀门等。

I has a total of nine series over 900 varieties of products, including: W-mouth free for the use of cast iron pipes and drainage pipe, A-type flexible interface with cast iron pipes and drainage pipe, for I used gray iron drainage pipe And pipe fittings, all kinds of high-end decorative and leakage, waterproof deodorant series of anti-theft sealed covers, stainless steel flexible Our expertise, all have carbon steel hoop Elevators, all kinds of iron and steel bucket rain water pipe, cast iron plates and various trench Bizi Non-standard pipe and tube, and other combinations.

我公司共有9个系列900多个品种的产品，其中有：W型无承口排水用铸铁管及管件、A型柔性接口排水用铸铁管及管件、承口排水用灰口铸铁管及管件、各种高档装饰地漏、防水防臭防盗密封井盖系列、不锈钢柔性卡箍、各种碳钢抱箍吊卡、各种铸铁钢制雨水斗及雨水管、铸铁地沟箅子板及各种非标管件和组合管等。

The effect factors analysis based on FEM shows that: Raising the strength of concrete and the thickness of cover concrete would delay the cracking of concrete; Stress superposition would appear due to the influence of adjacent rebar, and increasing the rebar space would postpone the time of cover cracking; Stirrup could suppress the cracking of cover concrete, however, the effect is limited and the corrosion-degree-ratio and corrosion expansive force would not increase until the cover concrete cracking happens completely.

结合有限元分析结果，对影响锈胀开裂的各因素进行了分析，结果表明：提高混凝土强度、增加保护层厚度有助于延缓保护层的开裂；相邻钢筋的存在会使钢筋之间的混凝土出现应力叠加现象，箍筋对混凝土保护层内由锈胀产生的应力具有抑制作用，但是在保护层完全开裂之前，箍筋的抑制作用有限。

Along the circle inside the rebar cage, 3 sound testing tubes should be installed equally and welded on the stirrup strengthening the structure, and lower down into the hole along with the rebar cage.

沿桩身箍筋内侧等间距布设3根声测管，并焊于加强骨架箍筋上，于钢筋笼同时下放。

It is easy to find that the broken area is the middle section between the pre-atress bar.

结构的破坏截面在预应力钢筋箍中间的截面上。最后，为减少模型中的弱约束区，作者加密了模型中的钢筋箍，提出了优化方案。

Mall Props to amend a white fox ears fox ears and yellow hair bands hair bands showed abnormal pixels.

修正商城道具白色狐耳发箍和黄色狐耳发箍显示图素的异常。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。