1) great arch
大拱
1.
The Construction Project Design of QiShuCao Tunnel’s great arch segment;
漆树槽隧道大拱段施工方案设计
2) big arch springing
大拱脚
1.
4 tunnel in the 51st bidding section of Xihan Superhighway, and in the light of the features of the tunnel under the weak geological condition, this paper puts forward corresponding pre-controlled construction scheme, which includes the excavating and supporting, monitoring and measuring, and the construction of big arch springing and temporary inverted arch, etc.
通过对西汉高速公路51标段酉水3号、4号隧道的施工,针对软弱地质隧道水平收敛大、拱顶下沉快的特点,提出了相应的预控施工方案,包括开挖和支护、监控量测、大拱脚和临时仰拱的施工等。
3) single-arch large span
单拱大跨
1.
Combined with the station of Chongwenmen of 5th line of the underground in Peking,it introduces the technology and program of building single-arch large span station using the methods of bury shallow and dig invisible of the method of digging in center,making piles in the holes and the method of CRD assistant.
结合北京地铁五号线崇文门车站,介绍了该站采用中洞法、洞柱法及CRD辅助工法等浅埋暗挖法修建浅埋单拱大跨车站的工艺和方案,经现场监测,其地表沉降及结构沉降均满足安全性要求,且该工程在国内尚属少见,为类似工程积累了经验。
4) bigarch section
大拱断面
5) arciform gate
拱型大门
1.
This paper introduces the construction technology of large span spatial curvilinear arciform gate,and expounds the application of CAD technique in buildng three-dimensional model,then to guide the construction is an effective method to deal with complicated shapes,to reduce calculational load and to improve the construction accuracy.
介绍大跨度空间曲线拱型大门的施工技术,阐述应用CAD技术建立三维模型来指导施工,是处理复杂形状,减少大量计算,提高施工准确性的有效途径。
6) Datan arch dam
大潭拱坝
补充资料：大拱
1.形容粗大。拱﹐两手合围。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条