expansive pressure 中文意思是什麼
expansive pressure
解釋
膨脹壓力-
Effects of the expansive method in the hyperthermal and high - pressure condition on total alkaloid in nux vomica and study on its acute toxicity test
爆壓法對馬錢子總生物堿的影響及急性毒性試驗研究 -
Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa
無機增強抗裂材料wj摻入普通混凝土中，在水化硬化過程中生成一定量的微膨脹結晶體，降低空隙率，改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下，使混凝土產生0 -
It can be used not only to change the fire precision of the base bleed projectile, but also to improve the effect of reduction drag and expansion range. the calculating model of the secondary expansive pressure of the burning gas is constructed by means of analysis of the experimental resuits, it has been confirmed that the new base bleed unit can be designed, with the secondary expansive principle of the burning gas pressure. the engineering project of a hybrid base - bleed - rocket high - level efficient extended - range projectile is designed, with the secondary expansive principle of the burning gas pressure, the feasibility and the true worth of its engineering applications is validated in theory
本文提出了底排燃氣壓力不隨外部壓力變化，既可改善底部彈射擊精度又可提高減阻效果的二次擴張原理，建立了底排燃氣二次擴張壓力的計算模型，並通過採用二次擴張原理的新型底排裝置與傳統底排裝置的對比試驗，驗證了新型底排裝置結構實現的可行性；完成了基於底排燃氣二次擴張高效增程原理的底排?火箭復合高效增程彈方案設計及其有關計算，從理論上驗證了其工程應用的可行性和實際價值。 -
Calculation of active earth pressure in unsaturated expansive soil based on columb earth pressure theory
基於庫倉理論的非飽和膨脹土主動土壓力計算 -
Based on the cause analysis for failure of water stop of tunnel ' s cast in site circular construction joint from theoretical and constructional point of view as well as the working mechanism of expansive water stop proposed in terms of width of construction joint, the relation between width of circular construction joint and water pressure resistance of water stop is established and its model test carried out
首先從理論和施工角度分析了隧道現澆環向施工縫止水條的失效原因，然後從施工縫張開度的角度提出了膨脹止水條止水的原理，在此基礎上建立了施工縫張開度與止水條抗水壓力之間的關系，並進行了模型試驗。 -
Analysis of active earth pressure of unsaturated expansive soil
非飽和膨脹土的主動土壓力分析 -
Comparing their expansion force counted by liner interpolation, the author puts forward the critical value existing in the reinforcement ratios. in the meantime, the tri - axial shear test of cu on the expansive soils and reinforced soils under different compactness, layers and confinement pressure are finished. it is concluded that the cohesive force of reinforced soils is greater than that of expansive soils, moreover the internal friction of reinforced soils is equal to that of expansive soils
同時對膨脹土及其加筋土分別進行了不同壓實系數、加筋層數及周圍壓力下的三軸固結不排水剪切試驗，分析這三種因素對素土和加筋膨脹土強度的影響，比較加筋前後膨脹土的c 、值，得到c值增加值幾乎不變的結論。 -
Secondly, by loading a pressure simulate the corrosion product induced expansive effect on concrete around rebar. ansys that is a famous fea software is used for analysis a real model
其次，用外加荷載法模擬鋼筋均勻銹蝕膨脹過程，通過ansys有限元程序對真實模型進行有限元分析，研究影響保護層脹裂所需膨脹力的因素。 -
2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment
（ 2 ）概念設計是深基坑工程第一步優化? ?系統（方案）優化設計中的關鍵，文中重點討論了概念設計中的幾個難點問題，如土性參數的確定、土壓力的選取、深基坑工程的安全度和可靠度分析等；總結分析了飽和軟土、老粘性、膨脹土和黃土這四類常見地層條件下的深基坑工程中的主要巖土工程問題，其中重點研究了長江級階地上的飽和軟土深基坑邊坡變形和破壞模式，提出了選擇支護方案的基本原則，即：面向問題、面向基坑特點、面向周邊環境特點。 -
And combined with the engineering practice of xiao - xiang highway route alteration project, it introduces the technological process of on - line blockage with high pressure expansive cylinder and the key working procedure of practical operation
對比囊式封堵和盤式封堵，從安全性、經濟性、可操作性、穩定性和時效性方面論述了膨脹筒式不停輸封堵的特點及其在油氣管道施工中的優越性。
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