Based on the numerical simulation analysis, it is feasible that anchor length is shortened from 4.0m to 3.0m and thickness of shot concrete decreased from 26cm to 21cm.
4.通过对新建隧道不同初期支护参数的数值模拟分析,认为锚杆长度由设计值4.0m优化至3.0m、喷射混凝土厚度由26cm优化至21cm是可行的。
参考来源 - 公路隧道扩建开挖方案比选及施工力学研究This dissertation summarizes and analyses the damage types and reasons of the double curved arch bridge, studies the reinforcing method of shot concrete, which is suit for the double curved arch bridge.
在结合工程实例的基础上,本文总结分析双曲拱桥各种病害类型及其产生原因,研究适用于双曲拱桥的锚喷混凝土加固方法。
参考来源 - 锚喷混凝土加固双曲拱桥研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Aimed at the shot object, a practical fuze circuit of projectile to destroy concrete is designed.
针对打击目标，从侵彻弹引信的要求出发，设计出一种实用的混凝土破坏弹引信电路。
The using of technique of pre-stressed anchoring pile, shot anchoring net, concrete frame, grouting and reinforced soil in the prevention and utilization of landslide are introduced in this paper.
本文介绍锚拉桩、喷锚网、钢筋混凝土格构、注浆、加筋土等技术在三峡库区滑坡等地质灾害防治与利用的初步经验。
The method of calculating average detecting time and shot probability is given. And combining an concrete example, the research of calculating and simulating is carried through.
给出了平均侦察时间和命中概率的计算方法，并结合具体实例，进行了计算和仿真研究。
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