The paper expounds the controlling methods of steam maintenance temperature for beam slab precasting.
就如何控制梁板预制的蒸气养护温度进行了阐述。
The utility model relates to a casting die for precasting annular forge pieces, particularly a billet movable core die for annular forge pieces.
本实用新型涉及一种预制环形锻件的铸造模具，具体为一种环形锻件钢坯活动芯模具。
The paper analyzes the factors causing the cracks happened during highway culvert pipe precasting, and brings forward the control measures accordingly.
分析了公路涵管预制裂缝产生的因素，提出了相关的控制措施。
The results and suggestions concluded in this thesis, is good to promote the precasting technology in the design and construction works of railway tunnel.
文中获得的一些结论和建议，对在铁路隧道中推广预制技术是有益的。
The advantages and disadvantages of several types of caisson precasting, such as dock-type precasting, caisson platform precasting, sloping slipway precasting, etc.
介绍预制沉箱的几种形式，如坞式预制、沉箱台座预制、斜坡滑道预制等的优缺点，重点介绍比较常用的沉箱预制台座的各种不同形式。
The technique of pier integral precasting at the sea was researched and applied in the innavigable section construction of Donghai Bridge(the first bridge at the sea in China).
海上墩柱整体预制吊装在我国第一座外海桥梁东海大桥非通航段施工中得以研究和全面应用。
In this paper, we described a precasting system of reinforced concrete beam and girder, which can reduce shock damage in the process of construction and facilitate winter concreting.
阐述一种便于冬季施工，减少施工过程中震害的主次梁均为予制的钢筋砼结构。
The paper introduces quality control technologies for concreting work, curing of beams, stretching and pressure grouting in the course of bridge precasting in the frigid plateau region.
介绍了高原高寒地区预制桥梁施工过程中混凝土施工、梁体养护、张拉压浆等的质量控制技术。
With the example of replacement for the bow "HUI XING", this paper introduces how to shorten repair period and raise efficiency by precasting large parts of projection and sectional hoisting.
文中以“汇兴”轮的整个船艏换新为例 ，介绍通过预制大型分段进行吊装来缩短修复周期 ，提高修船效率。
With the example of replacement for the bow "HUI XING", this paper introduces how to shorten repair period and raise efficiency by precasting large parts of projection and sectional hoisting.
文中以“汇兴”轮的整个船艏换新为例 ，介绍通过预制大型分段进行吊装来缩短修复周期 ，提高修船效率。
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