襯砌壞 的英文怎麼說
中文拼音 [chènqìhuài]
襯砌壞
英文
lining mechanism-
The study lies in following aspects : 1 ) a great number of experiments on sfrc are carried out to obtain the basic data of sfrc energy properties, which are the fundamental parts of further study. 2 ) a probability analysis based on statistical theory is done to all the experiment data. in the end, energy criterion for sfrc associated with security criterion are calculated and listed for future use
本文主要針對鋼纖維噴射混凝土在單層隧道襯砌中的應用進行了研究,內容包括以下幾個方面: 1 )進行了大量的鋼纖維混凝土標準試件試驗,試驗的成果和數據為研究鋼纖維混凝土的能量特徵提供了事實依據和參考; 2 )運用概率統計方法對鋼纖維混凝土的指標進行了可靠性分析,得出了實際可以接受的保證率下的鋼纖維混凝土能量指標; 3 )通過合理的假設和簡化,研究了鋼纖維混凝土構件在破壞過程中的能量耗散機理。The change regularities of lining pressure and the failure process of surrounding rocks in permeation which a special sand is used as model materials are successfully simulated. the basic theory is established for the study of same type and the scientific basis for the tunnel prop design in saturation rock is provided
採用特定的河砂作為模型材料成功地模擬了破碎圍巖隧道在遇水情況下襯砌的受力變化規律及巖體的破壞過程,為開展同類型研究奠定了基礎理論,為飽水巖體隧道開挖支護設計提供了依據。According to the geological conditions and the corrosive medium composition of the shaft well , the damaging reason and the mechanism of the concrete attack in the intake shaft well of “ 635 ” project are analyzed , and the corrosion - prevention treating method for the shaft well concrete is presented
水利樞紐發電引水洞豎井段圍巖中,有黃鐵礦脈風化形成的黃鉀鐵礬化蝕變帶通過.經對豎井襯砌混凝土腐蝕破壞機理的分析后認為,必須採用有效的防腐材料,將混凝土與侵蝕介質隔離開來,對豎井混凝土進行防腐蝕處理Uplift reduction by drainage is an important technology for ensuring large - sized channel lining works, especially in preventing damage of uplift in high groundwater level to lining body during the non - conveyance period
摘要大型渠道襯砌中的排水減揚壓技術是確保渠道襯砌施工的一項重要技術,對于防止非輸水期特別是汛期高地下水位對襯砌體的揚壓破壞具有重要作用。( 3 ) some destroy is likely to occur to existing tunnel before new construction, that is to say, the tunnel perhaps holds some flaw, therefore, a structure mechanics method is used in this thesis to analyze the safety of existing tunnel vvhich is under the condition of back cavity and insufficient thickness
( 3 ) 、在鄰近隧道施工之前,既有隧道可能已經受到一定程度的破壞,既有隧道可能存在各種缺陷,通過結構力學計算,分析了有空洞存在或隧道襯砌結構厚度不夠時隧道安全性。分享友人