重力凝結 的英文怎麼說
中文拼音 [zhònglìníngjiē]
重力凝結
英文
gravitational coagulation- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 凝 : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
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Hydrotropic solution of calcium chloride is the important cryogen for refrigerator and ice making. it is also a good anti - freeze agent and agglomerating agent in construction for concrete hardening and cold hardiness of sand mortar
氯化鈣水溶液是冷凍機用和製冰用的重要致冷劑,基建上能加速混凝土的硬化和增加建築砂漿的耐寒能力,是優良的建築防凍劑凝結劑。The detection of a 11 - layers frame shear wall structure shows that the concrete strength of the seventh partial wall columns and the eighth partial beam and floor plate in that building are very low
摘要對某11層框架剪力墻結構住宅工程結構檢測時,發現第7層部分墻柱和第8層部分梁板混凝土強度嚴重不足。In this paper, the crystal structure of montmorillonite is introduced and the purification methods ( including gravity separation, hydraulic classification, flocculation, centrifugal separation and chemical purification ), the purification principles and purification effectiveness of the methods were summarized
摘要總結了蒙脫石的各種提純方法及其試驗原理和提純分離效果,主要涉及重力選礦、水力分析、絮凝法、離心分離和化學提純。Influence of condensate layer on oil drainage rate of steam - assisted gravity drainage in horizontal well
水平井蒸汽輔助重力泄油凝結水膜對泄油率的影響Based on several actual cases, the temperature control measures for roller compacted concrete ( rcc ) gravity dam and arch dam such as structural jointing for construction ; lowering of concrete placing temperature ; water pipe cooling ; surface insulation ; inclined - layer placing etc., the measures to improve the material properties i. e. the application of micro - expanding concrete ; enhancement of material crack - resistance property and the requirement for the simulative analysis on both the temperature field and stress field as well as some problems concerned are summarized herein on the basis of the analysis on the material properties ; construction characteristics and the changing characteristics of the thermal stress of roller compacted concrete
摘要從碾壓混凝土的材料特性、施工特點、溫度場溫度應力的變化特點入手,結合幾個工程總結了碾壓混凝土重力壩、拱壩的分縫方式,降低澆築溫度、水管冷卻、表面保溫、施斜層碾壓等溫控措施,採用微膨脹混凝土、提高材料抗裂性能等改善材料性能措施及碾壓混凝土溫度場、應力場模擬分析的要求和應注意的問題。Through the non - linear fem static and dynamic analysis of the rcc gravity dam of kelashuoke reservoir by ansys, the deformation and stress law of dam body and its foundation under various working conditions is studied so as to get to know the working situation of the dam body and foundation rock under design conditions and to evaluate the reliability of the dam construction scheme
摘要採用美國ansys結構分析軟體,通過對喀拉朔克水庫碾壓混凝土重力壩方案進行非線性有限元靜力和動力分析,研究探討了壩體及基礎在各種工況下的變形和應力規律,以了解壩體和基巖在設計條件下的工作形態,對方案的可靠性進行了評價。This manner of change reflected the great influence of texture to rock mass quality. rock mass mechanical parameters corresponding to individual rock mass quality at different levels are determined by means of correlation analysis and statistical analysis. results show that calculation outcomes match well with measured mechanical parameters
研究結果表明:對于混凝土重力壩,按照現在的深開挖方案,壩肩開挖后,土石方開挖量高達820x10 『 m 『 ,且在72dri高程至坡頂將產生大范圍的破壞區,採用工程治理將帶來巨額的費用。The research results show that the counter - flow condensers have a better performance than that of other arrangements in single - circuit condensers, and that branch flow should be adopted in multi - rows condensers to decrease the pressure drop and increase the heat transfer capacity, and that the influence of gravity force can not be ignored, and that there must be an optimum refrigerant mass flow which can make the condenser perform best when the air velocity is constant while there must be an optimum air flow which can make the condenser perform best when the refrigerant mass flow is constant
研究結果表明,單迴路冷凝器中,逆流布置換熱效果最好,叉流其次,順流最差;多排管冷凝器應盡可能採用分流方式,以減小壓降,增強換熱;布置冷凝器流程時,重力的影響不可忽略;當風量不變時,必然存在一最佳製冷劑流量使冷凝器性能達到最佳;當製冷劑流量保持不變時,也相應存在一個最佳風量使冷凝器性能最佳。The seams divide the wall into several units and the hollow shear wall of r. c w ith vertical seams has small self - weight, small stiffness and good ductility. due to having air insulation, it has good energy saving capability. so this new type shear wall structure will be a kind of ductile structure with advanced seismic behavior
針對傳統剪力墻結構的弱點,本課題提出帶豎縫鋼筋混凝土空心剪力墻板結構,此種墻板在墻體上設有豎向縫隙,將整塊墻板分成若干墻肢單元,具有自重輕、剛度小、延性大的特點,由於墻板中間有空氣夾層,保溫、隔熱效果也較好,以此種墻板為主體的空心剪力墻結構體系是一種抗震性能優良的「延性剪力墻結構」 。Mathematics statistic model of the main observation variables and horizontal displacement hybrid model of typical monolith of huangtankou concrete gravity dam are established. through model analysis and parameter inversion, taking into account of water level and temperature, deformation monitoring control index of typical monolith is determined by the improved method of probability. the primary contents are as follows : 1
建立了黃壇口混凝土重力壩主要觀測量的數理統計模型和典型壩段水平位移混合模型等,通過對各數學模型的分析和參數反演,綜合考慮水位溫度採用改進小概率法擬定了典型壩段水平位移的監控指標,得到一些有益的結論,其主要內容如下: 1Hydraulics study on heightened scheme of danjiangkou project
丹江口混凝土重力壩後期加高新老混凝土結合問題研究( 3 ) generally, dam and base are operated in material viscidity status. by studying on the creep model of dam concrete and base rock, and combined them together, the coupling model of these factors is bringing forward
( 3 )通過研究壩體混凝土徐變模型和壩基巖體的蠕變模型,並將兩者有機結合,分別針對混凝土重力壩和拱壩,提出了考慮壩體徐變和壩基蠕變相互作用的組合模型。Secondly, the producing mechanism of crack in reinforced structure and factors which affect crack have been discussed, in the emphasis, the method is expounded, which applies first releasing then resisting, combination of releasing and resisting. in the method, flexible slit is applied firstly, which can make deformation of structure distributed, and decrease deformation energy, then the tiny expansion concrete and prestressed concrete with unbonded tendons are applied. and in the different phase, the compressive prestress is put on the concrete structure
其次,分析並論述了鋼筋混凝土結構裂縫產生的機理和影響因素,著重闡述了「利用先放后抗,抗放結合,綜合控制」的方法:即首先利用后澆帶,使混凝土結構分段變形,減小超長變形的影響;並採用微膨脹混凝土技術及無粘結預應力混凝土技術,分階段對混凝土結構施加一定的預壓應力,從而減小或完全抵消混凝土結構因混凝土硬化收縮引起的拉應力;再結合一些其他措施,成功實現鋼筋混凝土結構的超長無縫設計與施工。Considering that the traditional cast - in - situ r. c. shear wall structure has such disadvantages as large self - weight, stiffness and seismic forces, poor ductility and energy wasting, the subject puts forward a new type of hollow shear wall of r. c. stucture with seams which has the advantages of not only high bearing capacity but also small self - weight, stiffness and good ductility and so on. it is a new kind of earthquake resistant and energy - saving structure
針對傳統現澆鋼筋混凝土剪力墻結構自重大、剛度大、自振作用大、延性差以及保溫隔熱等建築節能性能差等諸多缺點,本課題對其進行改革,提出了一種新型的帶縫空心鋼筋混凝土剪力墻結構,此結構具有自重輕、剛度小、延性及變形能力好、耗能能力強等優點,是一種新型抗震、節能的承重結構。Under the influences of random variabilities, during both construction period and operation period, the temperature field within a gravity dam body could be regarded as a random one. in this paper, stochastic finite element methods are suggested to deal with the random temperature field. by use of the suggested methods, the influences of random environmental and random hydration heat of concrete and the initial temperature of concrete as well as the thermal parameters of both concrete and rock foundation are all taken into account. according to a scheduled time table of construction, random temperature fields of a typical concrete gravity dam within both the construction period and the operation period are calculated by emulation the layer constructing of the dam. some useful conclusions are obtained from the computational results
由於施工期和運行期各種隨機因素的影響,使重力壩溫度場成為隨機.本文綜合考慮了環境溫度(包括氣溫和庫水溫度) 、混凝土絕熱溫升、入倉溫度以及混凝土和基巖的熱學參數隨機性的影響,基於隨機有限元法,給出了重力壩隨機溫度場的計算方法,對一典型重力壩按給定的施工進度模擬分層澆築施工過程,對施工期及運行期前期的隨機溫度場進行了計算,並得出了一些有益的結論In harsh climate region, mere exists obvious local stress concentration near the upstream and downstream of the exposed - in - winter horizontal surface of the rcc dam, and the surface of spillway bucket though heat insulation is applied on the surfaces, tensile stress still exceeds the allowable one of concrete. this paper puts forward to adopt preset crack to avoid occurring more cracks. the special crack model is applied to simulate the dam preset crack, and the joint model of fracture mechanics is induced into strain - soften model
在結構措施方面,針對嚴寒地區高碾壓混凝土重力壩壩體越冬層面的上、下游面附近及溢流壩堰面反弧段表面有明顯的局部應力集中象現,在已採取一定的表面保溫防護的條件下,拉應力仍然超過混凝土容許拉應力,開裂難以避免,進而提出設置碾壓混凝土壩表面預留縫結構措施並對該措施進行深入研究,包括預留縫的擴展穩定和壩體沿預留縫的穩定性,以避免大壩在無措施部位開裂,解決大壩越冬層面水平施工縫的開裂問題。Abnormal setting of concrete and improper control of curing condition is two important factors affecting the quality of concrete
混凝土不正常凝結和養護條件控制不力是影響混凝土工程質量的兩個重要方面。About thermal stress and temperature control of rcc dam in harsh climate region, this paper emphasizes mainly on the following aspects : 1. research on space - time distribution rules of the temperature and thermal creep stress of rcc gravity dam in harsh climate region ; analyzing the reason of formation and influencing factors of the horizontal cracks at the dam upstream and downstream face
圍繞嚴寒地區碾壓混凝土壩的溫度應力和溫控防裂,本文主要進行了以下幾方面研究: ( 1 )結合兩座碾壓混凝土壩工程實例,研究了嚴寒地區碾壓混凝土重力壩溫度及溫度徐變應力時空分佈規律,分析了大壩上下游面水平裂縫的成因、影響裂縫的主要因素。With some vertical hollows, hollow shear wall r. c. structure not only has lighter self - weight, smaller stiflhess and better ductility, but also has significant energy saving capability due to the inner air. in all, hollow shear wall r. c
鋼筋混凝土空心剪力墻結構,是將鋼筋混凝土剪力墻中設置一些豎向的孔洞,起到減輕結構的自重,降低結構的剛度,增加結構的延性的作用。In order to save soil, multi - storyes and sub - high rise residence are the dominant structure of houses in our country. for the anti - seismic requirement, hear - wall structures have been used frequently in sub - high rise residence designs. due to its gravity and rigidity, the traditional shear - wall structures will have great inertia forces when the earthquake occurs
在抗震設防烈度較高的地區,出於墻改和抗震的要求,不得不將一些多層住宅房屋及小高層住宅用普通的鋼筋混凝土剪力墻結構,帶之而來的結果是房屋自重大,剛度大,地震作用大,材料消耗量大,熱工性能差,既提高了房屋的經濟指標,又不利於建築工程可持續發展戰略的實施。分享友人