在隧道混凝土衬砌工程中有良好的推广应用前景。
Waterproof joint agent is useful and has great value in construction practice of tunnel lining.
混凝土衬砌时的施工放样基本与开挖放样方法一致。
Construction of concrete lining at the time of the basic lofting lofting method consistent with the excavation.
在内水压力下,钢衬、混凝土衬砌和围岩可共同承载。
Steel lining, concrete lining and surrounding rock can work together to share internal water pressure.
混凝土衬砌中配筋率的提高对抗震塌能力有一定的提高。
The increase of reinforcement ratio can enhance the ability of tunnel resisting failure.
近年来,在我国有采用预应力锚索混凝土衬砌隧洞的趋势。
Recently, there is a tendency to use pre-stressed anchorage-cable concrete to line tunnel.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度大。
Construction technique of concrete lining of long inclined shaft with steep obliquity Angle and large diameter is complex and extremely difficult.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度特别大。
For concrete lining construction of long inclined shaft with steep obliquity and big diameter, the construction technology is complex and difficult.
在庙宫水库排沙洞的衬砌施工中使用了针梁式混凝土衬砌钢模台车。
We have used needle beam telescoping steel form in the Mao-Gong reservoir sediment tunnel in the concrete lining.
会议将在一个用混凝土衬砌的地下掩体里举行,那里阴暗湿冷而且空气稀薄。
The conference was to be held in the underground bunker, a cold, damp, airless shelter lined with concrete.
介绍了组合式钢筋承重骨架支撑模板进行隧洞混凝土衬砌的施工方法及其特点。
This paper introduced construction measure and features of concrete brickwork lining construction for combining-style steel bearing reinforced bar framework support mould in tunnels.
使用地质雷达对隧道混凝土衬砌结构进行检测,实践证明技术方法是切实可行的。
It has been proved that GPR is a feasible method to inspect the structure of tunnel concrete lining.
随着衬砌厚跨比的增大,混凝土衬砌的破坏范围逐步减小,衬砌更倾向于剪切破坏。
As the ratio of thickness to height of cross-section increases, the failure range decreases and the failure mode has the tendency of shearing failure.
文中介绍了万家寨引黄隧洞工程不良地质洞段施工中的开挖,临时支护,混凝土衬砌等。
This paper introduces excavation of the unfavorable geological section of tunnel project of Wanjiazhai YRDP, temporary brace and construction of concrete lining.
组合式盾构的特点是能自行推进,可不用装配式衬砌管片,而采用现浇钢筋混凝土衬砌。
Composite shield is characterized by self - driving and cast in site reinforced concrete lining instead of segmental lining.
室内试验和工程应用研究表明,该方法为隧洞混凝土衬砌厚度检测提供了一个有效的测试手段。
Indoor experiment and application study shows it is an effective method for testing thickness of tunnel concrete lining.
文中还讨论了小湾水垫塘采用全面混凝土衬砌的必要性,并对水垫塘底板高程、长度及体型提出了新建议。
Further, the paper discussed the necessity of using full concrete lining for the Xiaowan plunge pool and made new proposals for its bottom elevation, length and shape.
对隧洞围岩条件良好洞段,论证取消隧洞原圆形钢筋混凝土衬砌,选定马蹄形锚喷断面作为最终优化断面形式。
For tunnel sections with good surrounding rocks, the U-shaped rock-bolted section is selected as a final optimized section instead of the original circular reinforcement concrete lining section.
水工隧道混凝土衬砌均存在不同程度的裂缝,本文介绍了尾水隧洞衬砌混凝土裂缝预防和不同类型裂缝的处理办法。
Cracks of different levels exists in hydraulic tunnel concrete liner. The prevention of liner concrete cracking at tailwater tunnels and measures on different levels cracking are discussed in detail.
并对长廊阻抗式调压井的衬砌结构受力特性进行了分析,给出了混凝土衬砌结构开裂的计算方法和结构配筋估算公式。
The force bearing state of long corridor of surge tank is computed. The computing formulae of crack width and reinforcement rate are given.
同时研究结果表明:运行期,混凝土衬砌的开裂范围、裂缝宽度和相应的钢筋应力随着衬砌与围岩之间初始缝隙值的增大而增大;
The results show that the crack extent, the crack width and the reinforced bar stresses increase with the increment of the original gap width in the operation;
当隧道工程施工遇到含黄铁矿的地层时,黄铁矿氧化形成的酸性环境以及其引发的一系列化学反应会对隧道混凝土衬砌的耐久性带来不利的影响。
When there is pyrite-bearing strata in tunnel construction, oxidization of pyrite will result in formation of acidic environment and bring adverse effect on durability of concrete lining.
在全圆断面模板衬砌台车的施工应用中,混凝土浮力的设计计算是重点和难点。
It is important and difficult for design and calculation of concrete buoyancy in construction of formwork lining trolley with full circle section.
在山岭隧道施工中,二次衬砌混凝土裂缝成为带有一定普遍性的质量问题。
In the mountain tunnel construction, the secondary lining concrete crack is a certain universal quality problem.
在石拱桥拱圈的下部进行衬砌加固,使老石拱桥拱圈与新钢筋混凝土套拱形成整体,共同受力,是一种维修加固石拱桥的简单实用的方法。
The effect method of reinforce and maintenance the stone arch bridge is to build liner around the arch bridge down area. That combines the old arch round and the new reinforced concrete together.
衬砌混凝土的局部损伤特征受火灾发生时的火源、燃料供给、受火区段的地形、通风等因素的影响。
It is concluded that the damage features of the lining concrete are related to fire source, fuel supplying mode, landscape and ventilation condition of the conflagration.
裂隙的扩展和爆裂作用的叠加是衬砌混凝土发生多层剥落的重要原因。
The superposition between fracturing and explosive spalling plays a key role in the multi-layer damages of the lining concrete.
同时,对机械化衬砌混凝土裂缝产生的原因及预防和控制措施进行了探讨。
The reason and control of cracks in mechanized lining concrete are also discussed in this paper.
提出了寒区混凝土防护层渠道最低衬砌厚度的计算方法。
The calculation method about the minimum lining thickness of concrete protective layer is given in the cold region.
提出了寒区混凝土防护层渠道最低衬砌厚度的计算方法。
The calculation method about the minimum lining thickness of concrete protective layer is given in the cold region.
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