細骨料混凝土 的英文怎麼說
中文拼音 [xìgǔliàohúnníngtǔ]
細骨料混凝土
英文
concrete made with fine aggregate- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 骨 : 骨名詞1 (骨頭) bone2 (物體內部的支架) framework; skeleton 3 (品質; 氣概) character; spirit ...
- 料 : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 凝 : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
- 混凝土 : concrete; beton; jetereting混凝土壩 concrete dam; 混凝土板 concrete slab; 混凝土標號 concrete gra...
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Secondly, the workability, the ( cube ) compressive strength, the cylinder compressive strength, the drying shrinkage and the modulus of elasticity of the recycled coarse aggregate concrete, were studied in systemly in this paper
其次,系統的研究了再生粗骨料混凝土工作性、 (立方體)抗壓強度、稜柱體抗壓強度、干縮變形、彈性模量,並詳細分析影響再生粗骨料混凝土工作性、強度、干縮變形的因素。The pore of schsc is smaller and more homogeneous than that of nhsc. fourth, the contribution to concrete microstructure of the expanding agent is very little at early ages ; however it is obvious at late ages to a certain extent. fifth, for the contribution of the mixing content of fly ash is that the contribution to the degree of early age concrete hydration is obvious to some extent, and that the contribution to the shape of hydrate of concrete is obvious
實驗研究表明:自密實混凝土由於粉煤灰的摻量較高,其早期的水化程度較低,但後期其細觀結構較普通混凝土好;自密實混凝土的骨料界面過渡區與水泥石的差別始終較普通混凝土小,其孔隙較普通混凝土小而均勻;膨脹劑對自密實混凝土早期的細觀結構影響不大,但對後期的細觀結構有一定影響;粉煤灰摻量對自密實混凝土的早期水化程度有一定影響,且其對自密實混凝土水化物的形態影響較大。This product is extensive to used for all kinds of minerals, cement, fire - proof materials, aluminum soil the familiar anticipating, the emery, glass raw materials, mechanism building sand, stone materials, sand metallurgy of slag. it has the higher yield effect than other types, especially used to crush harder and causticity materials such as carborundum, emery, magnesium sand
Pcl直通沖擊式破碎機制砂機特別適用於製作建築砂石磨料,耐火材料,水泥石英砂鋼砂爐渣粉銅礦石鐵礦石金礦砂混凝土骨料瀝青骨料等多種硬脆物料的細碎與中碎,是高效,節能的碎石制砂設備。After the 1960s, some new breakage theories, such as the fracture mechanics and the damage mechanics, had been applied in the research of the concrete. it made people had the farther understanding about the concrete. based on the existing research productions of inland and overseas, combining with the experimental results and applying the viewpoints of the composite material, the energy, the combination of grandness and
本文結合試驗所得到的結果,在國內外已有研究成果的基礎上,應用復合材料觀點、能量觀點以及宏觀與細觀、損傷與斷裂相結合等觀點,較為詳細地探討了鋼纖維輕骨料混凝土的破壞特點和增強機理,並將損傷理論與斷裂理論結合起來對其受力性能的規律進行深入的分析。Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied
通過四組強度等級相當,分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土(其粉煤灰的摻量不同)和摻有膨脹劑的自密實混凝土,在同一養護齡期的條件下( 1天、 3天、 7天、 28天和60天) ,分別選擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點,採用sem進行細觀掃描對比實驗,以研究自密實混凝土因免振搗的特性及摻合料對其骨料界面和水泥石結構的影響。Sem has been used to analyze the microcosmic morphology of cement - rock, xrd to its phase, and imp to the porosity structure. the grading and distribution of the porosity has also been analyzed. the grading of concrete aggregates and porosity have been studied by fractal geometry theory
結石及純水泥漿結石等進行了微觀分析研究,用sem (掃描電鏡)研究結石的微觀形貌,用xrd (衍射)分析結石的物相,用imp (汞壓)法測定結石的孔隙結構,並對結石孔級配及分佈進行了統計分析,用分形理論對混凝土細骨料顆粒級配進行了研究探討。In meso - level, concrete is taken as a type of three - phase composite material comprising mortar matrix, aggregate and bond between matrix and aggregate
混凝土在細觀上是一種由骨料、砂漿和粘結面組成的非線性材料。This article states the technical way to produce high strength lightweight aggregate material, specifies the performance of composing materials in detail and their influence upon high strength lightweight aggregate material
本文作者主要論述了配製高強輕骨料混凝土材料的技術思路,並詳細地敘述了各組成材料的性能對高強輕骨料混凝土材料性能的影響。Experimental study of macroscopic fracture of fine aggregate concrete
細骨料混凝土細觀斷裂試驗研究Random aggregate structure of mesoscopic concrete and finite element mesh
混凝土細觀隨機骨料結構與有限元網格剖分Research on fractal characteristics of the size - distribution of concrete aggregates
混凝土細骨料級配的分形特徵研究Firstly, the characteristic performance indexes of recycled coarse aggregate, made from crushed waste concrete, were test in detail. causes and influencing factors of the characteristic performance of recycled coarse aggregate were analyzed by them
首先,詳細測試了廢棄混凝土破碎后的再生骨料特徵性能指標,並據此分析再生骨料特徵性能的起因以及影響因素。The details as followed : 1. summarize and analyze the methods of meso - mechanics of concrete and researching documents on the theory of damage of concrete ; 2. based on the packing approach of spherical aggregates, a method generating polygon aggregate model of concrete was presented, by which the codes of aggregate packing and meso - meshes of finite element plotting were designed taking into account the actual aggregate content, grading, and aggregate configuration
具體工作由以下幾個方面: 1 .分析總結了混凝土細觀力學分析方法和現有混凝土材料損傷破壞理論的研究成果; 2 .在研究圓形骨料投放方法的基礎上,提出了一種多邊形隨機骨料投放方法,並編制了凸多邊形模型生成程序和細觀有限元剖分程序。這種生成方法所得到的凸多邊形骨料模型既反映了骨料的實際形態又維持骨料的實際級配和含量。A good model of the full - grade aggregate concrete with high aggregate content is precondition to successfully execute concrete meso - mechanical simulation, so that the main work in the dissertation is focused on the following study concerning the random aggregate model of dam fully - graded concrete : ( 1 ) based on the topology of spherical aggregates, an algorithm of the random convex polyhedron aggregate model was presented considering the actual aggregate content, grading, and aggregate shape, and corresponding fortran program was developed to generate random convex polyhedron aggregate
針對全級配大壩混凝土的實際骨料含量和骨料形態,本文做了以下主要工作: ( 1 )在一種高效率生成的隨機球骨料模型的基礎上,形成隨機凸多面體骨料模型,同時研究了細觀單元屬性判別方法,編制了對含有凸多面體骨料的細觀區域進行結構性有限元網格剖分程序。本文給出的三維隨機骨料模型演算法不但考慮了混凝土的骨料的實際級配和含量,而且計及了骨料的實際形態。In the view of the concrete ' s micro construction, it can conclude that the boundary is the weakest. minute crack occurs firstly at the boundary, and then it spread toward the cements, which are produced by thermal stress
該模型是從混凝土組成的微細觀角度出發,簡化為水泥砂漿包圍骨料的平面問題,微裂紋首先在界面上產生然後向水泥砂漿中延伸。At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm
首先,在細觀層次上,根據蒙特卡羅隨機抽樣原理,在二維平面上建立了混凝土多邊形隨機骨料結構模型,然後採用有限元計算方法,根據最大周向正應力準則,對三點彎曲梁構件進行了開裂過程的模擬,並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準,得出了裂紋在基質、骨料及界面的擴展路徑。Two parts of the main work in the dissertation include the packing technique of random aggregates of dam concrete and the investigation on damage parameters and their evolving relation of dam concrete and various phrase of meso - structure
本文研究有兩方面的內容,一是對混凝土隨機骨料投放技術的研究,二是對混凝土及其細觀各相材料損傷變量及其演化關系的探討。In this paper, with complete calculation micro - mechanics method, mass concrete was taken as three - phase composites, which consists of mortar matrix, aggregate and bond between matrix and aggregate. with nonlinear finite element method, the simulation of static and dynamic mechanics performance of the uniaxial compress concrete specimen of dongjiang arch dam and simple supported beam specimen of xiao wan arch dam was studied by means of the software of msc. marc. the number of all kinds of mortar matrix was calculated according to grading of aggregate of three graded concrete and walraven function
本文採用完全細觀計算力學方法,將大體積混凝土在細觀層次上看成是由粗骨料顆粒、硬化水泥砂漿及其二者之間的粘結界面組成的非均質復合材料,採用非線性有限元方法,在對大型商業有限元軟體? msc . marc二次開發的基礎上,對東江拱壩的三級配混凝土軸壓試件、建設中的小灣拱壩三級配混凝土梁試件在靜、動荷載下的力學性能和破壞過程進行了數值模擬。Combining on the investigation achievements of the base establishment concrete durability in shanxi province and the recent research situations of alkali aggregation reaction ( aar ) all over the world, on the condition of the same mortar fluidity, the preventing effects of mineral and chemical admixtures on aar were researched
結合陜西省混凝土耐久性調研成果及國內外目前混凝土堿?骨料反應研究現狀,本文還詳細研究了在相同流動度條件下礦物摻合料及化學外加劑對堿?骨料反應的抑制效果。分享友人