steel penstock 中文意思是什麼
steel penstock
解釋
壓力銅管-
It is difficult to analyze combined work of underground penstock due to the gap among steel lining, concrete lining and rock
摘要埋藏式壓力鋼管設計中，鋼襯、混凝土襯圈和圍巖之間普遍存在著不連續的縫隙，致使設計計算時難以進行聯合受力分析。 -
In order to ascertain stress behavior of steel lined reinforced concrete pipe accurately, according to the fundamental principle of non - linear computation of reinforced concrete elements, the steel lined reinforced concrete penstock on downstream dam surface in a hydropower station is calculated and analyzed, and the distribution of circumferential stress of the steel lined reinforced concrete pipe is obtained, it proves that it is safe and reasonable to use structures of steel lined reinforced concrete penstock in hydroelectric station construction, and can satisfy the requirement of project
摘要為了能夠準確地把握鋼襯鋼筋混凝土管的受力性能，根據鋼筋混凝土單元非線性計算的基本原理，對某水電站鋼襯鋼筋混凝土壩後背管進行了計算分析，得出了鋼襯鋼筋混凝土管環向應力的分佈情況，分佈情況說明了此水電站採用鋼襯鋼筋混凝土壩後背管的結構形式是安全合理的，可以滿足工程要求。 -
The deliberation of calculating concrete crack width for steel lined reinforced concrete penstock
鋼襯鋼筋混凝土壓力管道混凝土裂縫寬度計算問題的商榷 -
Study on rational structure coefficient value of partial factors design expression for steel lined reinforced concrete penstock
背管分項系數設計表達式結構系數的取值研究 -
4. combined with the design of the three gorges prestressed concrete penstock with steel liner in the three gorges power. station, the consistence among the results of theory calculating, the analysis of plane finite element and three dimensional finite element is proved, the concrete stress distributions of the prestressed concrete penstock are analyzed with different steel liner thicknesses, different crack resistances, different concrete thicknesses and different initial radial gaps between steel liner and concrete. the feasibility of the design method of prestressed concrete penstock with steel liner is proved
結合三峽電站鋼襯預應力混凝土聯合受力壓力管道的設計方案選擇及論證分析，對比分析了鋼襯預應力混凝土壓力管道理論計算、平面有限元和管壩整體三維有限元分析結果的一致性，確定了管道結構在不同鋼襯厚度、不同抗裂度要求、不同外包混凝土厚度及不同鋼襯與管壁混凝土間初始徑向間隙等因素影響下的內力分佈規律，驗證了鋼襯預應力混凝土壓力管道的設計方法。 -
These can make up the shortcoming of slrcp ; 2 3. to study the steel stress development of penstock, ring - form slsfsrcp and horse - shoe slsfsrcp during curing period are monitored. the pre - tension stress due to expansion of self - stressing concrete can be used in design ; 4
對圓形和馬蹄形管道進行了28天養護期內力監測，研究了鋼襯鋼筋鋼纖維自應力混凝土壓力管道的自應力成長過程，明確了鋼筋的預拉應力數值，為此類改性管道設計直接提供依據； 4 -
So, changing the material property of slrcp to decrease the crack width or to avoid the crack to happen is a good method. this method can keep the advantage of slrcp, and at the same time avoid its disadvantage. so, two new slrcp. is presented : steel lined steel fiber reinforced concrete penstock ( slsfrcp ), steel lined steel fiber self - stress reinforced concrete penstock ( slsfsrcp )
基於此思路，提出了兩種改性鋼襯鋼筋混凝土壓力管道：即鋼襯鋼筋鋼纖維混凝土壓力管道、鋼材鋼筋鋼纖維自應力混凝土壓力管道，並進行了以下開創性的研究： l以三峽電站壓力管道為原型，按相似比1 ： 10製作完成了常規鋼襯鋼筋混凝土壓力管道、改性鋼材鋼筋混凝土壓力管道模型。 -
Because concrete crack will greatly affect the security of concrete penstock in hydropower station, the paper applies the theory of global optimization method to predict the maximum concrete crack width in steel - lined reinforced concrete penstock and bring forward a predicting model based on the theory of artificial neural network ( ann )
摘要基於人工神經網路的全局優化方法的基本理論，對鋼襯鋼筋混凝土壓力管道外包混凝土結構裂縫預測進行了研究，提出了基於神經網路的管道混凝土裂縫預測模型。
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