These are used for building or are broken down for use as an aggregate for concrete or as ballast chippings.
砖材用于建造房屋，或将其破碎作为混凝土骨料和铺道渣。
For lightweight aggregate concrete, supplementary rules are given in Section 11.
轻骨料混凝土，补充条文在第11款。
Light aggregate concrete hollow block is an ideal material for exterior wall of building energy saving.
轻集料混凝土空心砌块是一种理想的建筑节能外墙砌体材料。
For concrete containing silica fume or ground slag, the reduction of auto-shrinkage is more effective by composite aggregate.
尤其对于含硅灰或矿粉的混凝土，复合骨料降低混凝土的自收缩效果更好。
The present invention relates to one kind of haydite for light aggregate concrete and its production process.
本发明涉及一种用于轻集料混凝土的陶粒及其制备方法。
Some equations for the properties of concrete with different percentages of recycled aggregate of the two cases are proposed based on the test results.
最后根据本文的试验结果，建议了两种情况下不同再生骨料掺入量混凝土的基本力学性能计算公式。
Shrinkage of high strength lightweight aggregate concrete (HSLWC) is an important parameter for the design of prestressed HSLWC structures.
高强轻骨料混凝土(HSLWC)的收缩性能是预应力hslwc结构设计的重要参数。
The alkaline activity test on the concrete aggregate for Three Gorges Project is a re check test on the basis of the great number of long term research results.
三峡工程混凝土骨料碱活性检验项目是在以往大量长期的研究工作的基础上进行的复核检验。
A method for simulating full-graded aggregate concrete with high aggregate content, which can efficiently pack the spherical aggregates, is proposed.
本文针对全级配大坝混凝土的高骨料含量的要求，给出了一种高效率生成随机球骨料模型的方法。
Therefore, the study on construction, mechanical and thermal property for reclaimed concrete prepared with waste concrete broken instead of rough aggregate is carried out.
为此，对废混凝土破碎物代替粗骨料配制的再生混凝土的施工性能、力学性能和热工性能进行了研究。
This paper studies some factors influencing the performance of polymer-modified porous concrete (PMPC for short), including molding methods, curing methods and gradations of aggregate.
研究了成型方式、养护方式、集料级配等因素对聚合物改性多孔水泥混凝土(PMPC)性能的影响。
The research to establish a model of freeze-thaw damage of fiber reinforced lightweight aggregate concrete for relative dynamic elastic based on experimental results has been done.
对冻融循环试验结果研究，提出基于动弹性模量衰减的纤维轻骨料混凝土冻融损伤模型。
The anchorage length of reinforcing bar embedded in lightweight concrete provided by "Specification for Design of lightweight Aggregate concrete Structure (JGJ12-99)" is safe.
按《轻骨料混凝土结构设计规程》JGJ12—99规程建议值进行锚固设计是偏于安全的。
Rules for lightweight aggregate concrete are given in Section 11.
砂轻混凝土的规定见第11部分。
Applying the simulation technique of concrete mesostructure, the ITZ volume fraction was obtained for a given aggregate grading.
应用混凝土细观结构模拟技术，获得了任一级配骨料的界面体积分数。
This thesis has put main focus on how to apply excavated spoil to make concrete aggregate to meet the need for spoil disposing technologies.
本论文主要研究如何利用建筑物开挖石渣制备混凝土骨料。
The strength and modulus of elasticity of matrix increase from almost zero, then at a certain age up to those of the coarse aggregate, and even exceed for lightweight concrete.
基体的强度和弹性模量从零开始增加，到一定龄期后接近集料分散相，对于轻集料混凝土，基体的强度和刚度在一定龄期还将超过集料分散相。
For analyzing the influence of aggregate gradation on the concrete behavior, the grain-spring model of discrete element method is presented.
分析的具体行为的影响骨料级配，颗粒-弹簧模型离散元方法。
SCOPE This Standard sets out the method for determining the compactibility index, for concrete, where the expected slump is less than 10 mm and the nominal size of aggregate does not exceed 40 mm.
范围本标准对混凝土压塑性指数的测定方法(在预计的坍落度小于10mm，并且骨料的标称粒径不超过40 mm的情况下)作出了规定。
It is suggested to add reasonable ratio of fly ash when making use of reclaimed aggregate for preparation of concrete.
建议在利用再生集料制备混凝土时宜掺加合理比例的粉煤灰。
This paper studies the reasons for low strength of post- placed aggregate concrete, and points oat that great bleeding is the main reason for low strength of the concrete.
对压浆混凝土存在的强度偏低现象进行了研究，指出了泌水量大是压浆混凝土强度较低的主要原因。
It calls for using waste brick as aggregate of concrete to protect environment.
倡导用碎砖做混凝土骨料，保护生态环境。
Coarse aggregate size distribution is important for the research on concrete strength analysis. Usually it can not be obtained without cutting a part of concrete down.
粗骨料粒径分布对混凝土强度分析有重要影响，但如果不用切割方法，混凝土内粗骨料三维粒径分布测量就无法实现。
Because of vast volume of a dam, the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading.
由于水坝的体积大，用来筑坝的混凝土的粗骨科粒径大、分级多。合理确定最大粒径、分级尺寸和级配十分重要。
Finally, the article provides some recommendations for the prevention of the alkali-aggregate reactions in concrete.
最后对碱-骨料反应的预防提出了建议。
For improving measurement precision of aggregate in concrete mixing station, the measure structure of auto-reduce overweight is introduced.
介绍了“超称扣减”的称量结构，提高搅拌站骨料计量精度的方法。
The concrete was taken as a two-phase composite material consisting of mortar matrix and aggregate on mesoscopic level in the numerical simulation approach for polygonal aggregate.
混凝土多边形骨料的数值模拟方法在细观层次上将混凝土看成是一种由骨料和砂浆基体所组成的二相复合材料。
Yangmingsha Hydropower station dam is a C15 small size aggregate concrete stone masonry double curvature arch dam with crest spillway and flip buckets for energy dissipation.
阳明山水电站拦河坝采用C15细石混凝土砌石双曲拱坝，坝顶表孔泄洪，挑流消能。
The aggregate production systems at the Three Gorges project, should meet requirements for the concrete placement of stage -I works, with a huge volume and a long construction duration.
三峡工程第二阶段混凝土浇筑量大且持续时间长，混凝土骨料生产供应必须满足混凝土浇筑的要求。
The aggregate production systems at the Three Gorges project, should meet requirements for the concrete placement of stage -I works, with a huge volume and a long construction duration.
三峡工程第二阶段混凝土浇筑量大且持续时间长，混凝土骨料生产供应必须满足混凝土浇筑的要求。
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