接缝灌浆
- 网络Joint grouting
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在大体积混凝土施工过程中,为满足混凝土温控及接缝灌浆的要求,需在其体内埋设冷却水管进行通水冷却。
In the process of mass concrete construction , in order to meet the requirement of concrete temperature control and joint grouting , cooling water pipe should be embedded in the concrete for cooling .
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就RCC拱坝特征、拱概念、诱导缝作用机理、接缝灌浆时机、RCC拱坝设计导则等问题进行了初步探讨,提出了诱导缝拱等新概念。
Finally , discusses the characteristics of RCC arch dam and the concept of arch and the concept of joint grouting opportunity , and puts forward the new concept of inducing joint arch .
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大坝横缝在高程110m以下进行接缝灌浆,以增强大坝整体性和改善孔口应力;
The transverse joints under El . 110 m will be grouted in order to strengthen the integration of the dam and improve the stress state around the outlets .
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碾压混凝土结构的接缝灌浆技术
Study on joint grouting techniques in roller compaction concrete structure
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汾河二库坝体横缝的接缝灌浆
Joint Grouting of Dam Transverse Joint , Fenhe Reservoir ⅱ
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三峡纵向围堰碾压混凝土坝身段接缝灌浆
Joint grouting for RCC dam section shared with longitudinal cofferdam at TGP
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三峡二期工程大坝接缝灌浆施工
Grouting Construction of Dam Joints for the Three Gorges Project in Phase 2
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在纵向围堰中部的坝身段碾压混凝土结构内首次实现通水冷却和接缝灌浆。
The application of joint grouting technique in concrete dam construction of Xixiayuan project ;
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混凝土坝接缝灌浆水管冷却三维仿真计算研究
Computing Study of Three-dimension Emulation of Water Pipe Cooling for Joint Grouting of Concrete Dams
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万家寨水利枢纽大坝接缝灌浆系统采用预埋管路和出浆盒方式。
A method of embedded pipe and outlet box was adopted in the joint grouting system of Wanjiazhaidam .
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另外,该模型可以优化接缝灌浆系统的布置。
And furthermore , the layout of seam grouting system can be optimized by means of the model .
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坝体内应有畅通的排水通道,使渗入坝体的水在安全的条件下顺畅的排出坝体三峡右岸一期导流工程混凝土坝体接缝灌浆
There must be drainage in dam body . Three Gorges Right Bank First-stage River Diversion Concrete Dam Body Joint Grouting
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在碾压混凝土结构中进行接缝灌浆,是目前坝工研究的重要技术问题。
The joint grouting techniques in roller compaction concrete structure is one of the most important works in dam building technology .
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对拱坝接缝灌浆进行了数值模拟研究,分析了缝面压力分布特征。
Furthermore , joint grouting in arch dams is simulated , and the characteristics of pressure distribution on crack faces are researched .
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强地震区高拱坝抗震配筋问题汾河二库坝体横缝的接缝灌浆
Design of steel reinforcement across transverse joint in arch dam to resist strong earthquake Joint Grouting of Dam Transverse Joint , Fenhe Reservoir ⅱ
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某大坝是混凝土重力坝,根据温控要求,坝体设置1~2条纵缝,缝面设置水平键槽,在坝体混凝土达到稳定温度后进行接缝灌浆。
A concrete gravity dam with 1 ~ 2 longitudinal seams and level keyways in seam surface was grouted when the concrete stays a stable temperature .
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混凝土拱坝二期冷却一方面是为横缝的接缝灌浆创造条件,另一方面也可以达到调整坝体应力状态的目的。
The main purposes of the second stage artificial cooling in concrete arch dam are to make transverse joint grouting possible , and decrease the dam ′ s temperature stress .
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为了评定混凝土大坝接缝灌浆质量及其稳定性,需要研究接缝灌浆缝在地震或者温度作用下发生Ⅱ型剪切断裂的断裂特型并测定其相应的Ⅱ型剪切断裂韧度。
To assess the quality and the stability of the grouting construction of dam joints , it is necessary to investigate the property of the mode II fracture and measure the mode II fracture toughness .
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将某国外混凝土拱坝接缝灌浆与国内外接缝灌浆技术进行了对比分析,并据此提出了自己的观点与意见,供以后承担国外类似工程施工时参考。
Based on a joint grouting project abroad , the comparison of the joint grouting technology domestic and abroad was carried out . Further , some views and suggestions were put forward , for reference .
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本文主要研究了试件高度、宽度、缝高比以及灌浆载体中纤维含量对混凝土接缝灌浆缝Ⅱ型断裂过程及其断裂韧带的影响。
The paper mainly studies the effect on mode II fracture process and mode II fracture toughness K_ ((?) c ) of joint-grouting in concrete dam of highness , width , relative crack lenghth and fiber content .
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在坝基开挖后基础体型变化、两岸岩体变模降低、考虑分期蓄水和施工过程、局部温度场变化、不同接缝灌浆高程等情况下,各种工况下的拱坝应力基本满足规范要求。
The stress of arch dam shall meet the Specifications in respect of basic shape variation upon dam foundation excavation , varied module reduction on banks , staged impoundment and construction process , variation of local temperature field as well as jointing grouting elevation .
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在大坝灌浆工程中,由于目的不同,其施工通常分为以下几种方法:帷幕灌浆、固结灌浆、接缝灌浆和回填灌浆。
The main research work are as follows : 1 . Chart analysis required in grouting construction . In dam grouting engineering , construction methods can always be divided into curtain grouting , consolidation grouting , joint grouting and backfilling grouting for different purposes .
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应力计算考虑坝体混凝土温度未冷却到稳定温度场或准稳定温度场时拱坝蓄水工况,相应接缝灌浆设计具有重复灌浆功能,以保证大坝的运行安全。
Such loading case as reservoir impounding before the RCC reaching its steady or quasi - steady temperature field shall be adopted in the stress computation , and the joint grouting of the dam was designed to be repeatable to assure a safe operation of the dam .
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碾压混凝土拱坝接缝重复灌浆研究
Study on Repeated Joint-Grouting of RCC Arch Dam