- 更多网络例句与混凝土相关的网络例句 [注：此内容来源于网络，仅供参考]
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To give the definition of the mass concrete and to concrete\'s cracks together with practical meanings of control ,and give a brief review on the research in the field at home and abroad, at last, methods to control temperature crack of the mass concrete from several aspects such as design measures,concrets material, construction schedules.etc are summed up; To explain the physical mechanics of the concrete and computing methods-Difference Method and Finite Element Method, and illustrate the application of their specific methods repectively;Several temperature factors that can influence the temperature stress of mass concrete baseplate are analyzed. The influence degree of temperature factor can be got through the ANSYS simulation computation the control of temperature can control the temperature stress, consequently control the temperature crack of mass concert baseplate; through the influence of the crack resistance ability of mass concrete baseplate which takes the reinforcement as a part is analyzed. By ANSYS simulation, the best suited volume ratio of reinforcement is found out, at same time the layout of reinforcement with the same volume ratio can also affect the resistance ability of mass concrete baseplate. Sum up of above analysis, anti-crack function of steel bar in early mass concrete baseplate is obvious, so it\'s necessary to consider beneficial effect of construction steel bar in research of temperature control on mass concrete baseplate.
本文先容了大体积混凝土及混凝土裂缝的基本概念，对国内外在这个领域里的研究现状作了扼要叙述，并从结构设计、混凝土材质、施工措施等方面总结了大体积混凝土温度裂缝控制的方法及防止措施；阐述了混凝土的基本物理力学性能，总结了大体积混凝土温度计算的方法——差分法和有限元法，并分别举例说明其具体应用的方法；分析了影响大体积混凝土底板温度应力的几种温度因素，利用ANSYS模拟计算，得出了每种因素的影响程度，通过分析提出了在这几种温度影响因素下如何通过控制温度以达到控制温度应力从而来控制裂缝的具体建议；针对大体积混凝土基础底板中配筋的不同对混凝土底板抗裂能力的影响不同，利用ANSYS进行模拟分析，得出底板中最合适的体积配筋率，同时分析了在相同体积配筋率下钢筋的具体布置对大体积混凝土基础底板抗裂能力的影响，分析表明，配置钢筋对混凝土结构的开裂阻止作用明显，在研究大体积混凝土温度裂缝题目时，要考虑钢筋在其中的有利作用。
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This issue through the mortar bar test or production of the concrete channel to study the color, the color white concrete methods; the use of inorganic pigments and titanium dioxide composite technology, outstanding preparation in prison and a better color fair-faced concrete; by optimizing the aggregate gradation, the use of high-quality, stable mineral admixture to improve concrete performance, color, white water of the large concrete fluidization; PW 42.5 the use of white cement and a new type of polycarboxylic acid superplasticizer in concrete to ensure good performance at the same time, reducing the water consumption of concrete, the preparation of a white water high-strength concrete.
本课题通过砂浆棒试验或混凝土色板的制作，研究彩色、白色混凝土的配色方法；采用无机颜料与钛白粉复合技术，配制出色牢性较好的彩色清水混凝土；通过优化骨料级配、使用高品质、稳定的矿物掺合料，提高混凝土的工作性能，实现彩色、白色清水混凝土的大流态化；采用 P.W 42.5的白水泥与新型的聚羧酸减水剂，在保证混凝土良好工作性能的同时，降低混凝土的用水量，配制出高强白色清水混凝土。
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From the angle of engineering application, this article analysed the corrosion characteristics and damage causes of the current structural used concrete in the region of Hangzhou gulf, on the basis of on-site survey of all the Marine concrete projects in that area. Taking HPC used in Marine as research objective, this article put great emphasis on the influence of the composition cementing material system to concrete performance, and make a preliminary probe into the action mechanism of the composite effects of various mineral materials in improving the performance of concrete by laser measuring size machine and EMPA. Through experiments, the article discussed how chloride ingression in concrete will be effected by such factors as exposure time, chloride binding, environment temperature, stress and cracks conditions; and also analysed the symptoms of these factors in the model of concrete service life prediction by conference to all related research reports both home and aboard. On the foundation of abovementioned research, this paper brought up an engineering model of service life prediction of marine concrete, which is based on chloride-induced corrosion.
本文从工程应用的角度，在对杭州湾地区既有海工混凝土工程作实地调研的基础上，研究分析杭州湾地区既有海工混凝土结构的腐蚀特点和破坏原因；以海工高性能混凝土为研究对象，着重研究复合胶凝材料体系对混凝土性能的影响，并应用激光粒度仪、EMPA等分析手段，就复合胶凝材料的作用机理进行初步探讨；试验研究混凝土暴露时间、胶凝材料对氯离子的吸附、环境温度、应力和裂缝状态等因素对混凝土中氯离子迁移运动的影响，并结合国内外相关研究报导，探讨这些因素在混凝土使用寿命预测模型中的表征；在上述研究基础上，提出以氯离子侵蚀为基础的海工混凝土使用寿命预测的工程应用模型。
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Combining with the National Natural Science Foundation ofChina(No.50478032), following researches were done in this thesis: 1 The variation regularity of the ultimate anti-bending capacity of therectangular-sectioned beam with different corrosion has been obtained through thequalitative analysis of 48 beams (32 corroded beams and 12 comparing beams) withaccelerated corrosion; 2 The conclusion has been obtained that the strain of corroded steel bar andconcrete no longer fit in with the assumption of plane section through the analysis ofthe strain data, the strain relation of steel bar and concrete in the mid-span section ofvariously corroded beams at ultimate has been obtained. Through the building of newgeometric relation, the expression of the height of compressive area in the corrodedbeam with rectangular section has been deduced, and the formula with corrosion rateas the main variable for the anti-bending capacity of the corroded concrete beam hasbeen suggested and verified by experiment.; 3 The influence of steel bar corrosion and the concrete regression to the flexureductility coefficient of the corroded structure component has been analyzed. Based onthe relation of steel bar and concrete at yield and ultimate, the expression for theflexure at yield and ultimate of corroded reinforced concrete beam, and the model forthe calculation of the flexure ductility has been built.
本文结合国家自然科学基金项目(50478032)"既有钢筋混凝土桥梁时变可靠度研究"，主要进行了以下研究工作： 1通过对48根快速锈蚀钢筋混凝土矩形截面梁(32根锈蚀梁和12根对比试验梁)数据的定性分析，得到了不同锈蚀率下，锈蚀钢筋混凝土矩形截面梁极限抗弯承载力的变化规律； 2通过对应变数据的分析，论证了锈蚀构件钢筋和混凝土的应变不再符合平截面假定的结论，并通过回归分析得出了不同锈蚀率的螺纹钢筋梁和光圆钢筋梁在极限弯矩作用下，跨中截面处钢筋应变和钢筋处混凝土应变的关系，通过构造新的几何关系，得出了锈蚀钢筋混凝土矩形截面梁计算受压区高度的表达式，既而得出了以锈蚀率为主要变量的锈蚀钢筋混凝土矩形截面梁的正截面抗弯计算建议公式，并通过试验数据加以验证； 3分析了钢筋锈蚀和混凝土劣化对锈蚀构件曲率延性系数的影响，结合钢筋屈服和极限弯矩两种状态下钢筋和混凝土的应变关系，分别得到了锈蚀钢筋混凝土矩形截面梁屈服曲率和极限曲率的计算表达式；既而推导出曲率延性系数的计算模型。
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Based on the research production, with three prestressed concrete hollow slabs from the bridge in active service for ten years, this essay studies the ultimate bearing power ,the load-bearing failure mechanism and structure reenforcement measures influence on them, through examination of each performance index, failing load test, theoretical analysis and computing research work.
对预应力混凝土桥梁结构在使用中存在的问题及国内外相关研究发展水平进行了综述，指出目前对旧桥预应力混凝土空心板实际极限承载能力进行相关研究的必要性及其重大意义； 2、对旧桥预应力混凝土空心板的混凝土强度、碳化深度、预应力筋的锈蚀状况以及裂缝状况的检测评定； 3、通过破坏荷载试验，对损伤旧桥预应力混凝土空心板的受力性能进行试验评定； 4、采用在桥面做混凝土叠合层的加固措施，通过破坏荷载试验对加固后的旧桥预应力混凝土空心板的受力性能进行评定； 5、提出在役旧桥预应力混凝土空心板的维护、加固和使用建议。
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In the dissertation, the study on carbon fiber reinforced concrete andplain concrete has been reviewed. Then mechano-electric effect of CFRC and plainconcrete, its mechanisms, the interaction among mechano-electric effect,piezoresistivity and seebeck effect, the electrical circuit model of concrete based onmechano-electric effect, electromagnetic emission of concrete, the mathematicalmodel of mechano-electric effect are investigated. Also the converse effect ofmechano-electric effect of CFRC and plain concrete, that is, electromechanicaleffect, and the interaction between electromechanical effect and electrothermaleffect of CFRC are examined.
本文对碳纤维混凝土和素混凝土机敏性的国内外研究现状进行了全面的评述，在大量实验分析的基础上，系统地研究了碳纤维混凝土和素混凝土的力电机敏性，研究了力电效应机理、力电效应与其它效应(压阻效应、塞贝克效应等)的耦合关系、基于力电效应的混凝土电学模型、混凝土电磁发射现象、混凝土力电效应的数学模型等；论文同时对混凝土和素混凝土的电力效应、碳纤维混凝土电力效应与电热效应的耦合关系等进行了探讨；最后开展了基于力电效应的机敏混凝土结构应用研究。
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I have finished the ratio calculation of mw materials used to produce cementclinker, relative environmental impact importance assessment of emissions andenvironmental synthetic index under different conditions.the result means that we can selectthe optimal procession parameter and optimal procession ,considering environmentalactor ,mechanic erect kiln is the best one among the different kilns.the procession of closed-loop recyclable concrete is introduced in detail ,we found it is possible to make full use ofwasted concrete illimitedly by proper design ,though the recyclable concrete physicalfunction decreased a little comparing with virgin concrete, it's environmental property ismuch better than usual concrete.we also found that it is possible to use wasted concrete asthe coarse aggregate or fine aggregate.we probe the possiblity that fuzzy mathematics isused to judge whether a product is green product or not.
确定了不同窑型的最佳的工艺操作参数；比较了不同窑型的环境性能，得出结论：预分解窑是最佳的工艺选择。本软件具有专家系统的功能，本软件的最大特点是动态性和灵活性，这是为人为的因素，地方的因素变化性而设计的。允许输入不同的边界条件，即可得到不同的结果，这为水泥-混凝土的环境化设计提供了有力的帮助。本人也努力设计一个适用于水泥厂的数据库的框架，来实现水泥厂的在线评估。本文探讨了实现环境化设计的可再循环的混凝土的设计，得出结论：通过合理设计的混凝土的无限循环是可能的，虽然再循环的混凝土的性能与原混凝土相比有所下降，但其环境性能是普通混凝土无法比拟的，本文还探讨了废混凝土的利用的可能性及评估，废混凝土用作混凝土的粗集料是合适的，虽也可作细集料，但不值得提倡。
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Decades, the system does not always produce pipes, tiles, cement products and other traditional rod, but the development should be high (high-strength, high pressure) and large, new (new building materials and products) as a key to develop new products In detail: to develop high-strength prestressed concrete pile; apply to set up more than 110 kilovolt high voltage transmission lines and electrified railway lines, etc. Catenary large t m poles; application of new high-speed heavy rail with pre-stressed concrete sleeper; high-pressure , large-diameter prestressed concrete cylinder pipe; steel concrete and prestressed steel-concrete composite pipe; new type of reinforced concrete pipes, such as the mouth and socket bearing steel reinforced concrete pipes, square pipes, short-shaped pipes, common drains ; reinforced concrete inspection and; urban and rural construction using a variety of hollow interior wall panels and composite wall panels, concrete hollow block.
不能几十年一贯制生产管、瓦、杆等传统水泥制品，更应把发展高、大、新作为重点开发新产品，具体讲：大力发展预应力高强混凝土桩；适用于架设110 千伏以上高压输电线路和电气化铁路接触网线路等的大吨米电杆；适用高速重载铁路用的新型预应力混凝土轨枕；高压、大口径预应力钢筒混凝土管；钢板混凝土和预应力钢板混凝土复合管件；新型钢筋混凝土排水管，如钢承口和承插式钢筋混凝土排水管、方型渠、短形渠、共同渠；钢筋混凝土检查并；城乡建设用的各种空心内墙板和复合外墙板、混凝土空心砌块。
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Company products: HZS25-120 series concrete mixing station, WBZ series stabilized soil mixing station, JDC350 type concrete mixer, JDC500 type concrete mixer, JS500-type concrete mixer, JS750-type concrete mixer, concrete mixer 1000, 1500-type concrete mixer, 2000-type concrete mixer, PLD800-3200-type concrete batching machine, bulk cement warehouse positions 30-200 tons of cement, HYG3 / 6 type of concrete mixer truck, HJC3 / 6 hydraulic concrete mixer truck, LSY series of screw conveyer pump, 3 -32T winch such as large-tonnage products, well received, popular throughout the country.
公司生产的产品：HZS25-120系列混凝土搅拌站、WBZ系列稳定土搅拌站、JDC350型混凝土搅拌机、JDC500型混凝土搅拌机、JS500型混凝土搅拌机、JS750型混凝土搅拌机、1000型混凝土搅拌机、1500型混凝土搅拌机、2000型混凝土搅拌机，PLD800-3200型混凝土配料机，散装水泥仓30-200吨水泥仓，HYG3/6型混凝土搅拌运输车，HJC3/6型液压混凝土搅拌运输车、LSY系列螺旋输送泵，3-32T大吨位卷扬机等产品，深受广大用户好评，畅销全国各地。
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Develop thorough screening programmes to identify the "provincial project quality inspection teams working procedures"; Adjust steel detector, a few concrete Hin resilient devices, infrared ranger, concrete thickness detector, and more than 10 types of screening equipment, equipment; Equipped with cameras, video cameras and other evidentiary materials; requirements for the preparation of inspection units related materials "examined units and personnel original list" for the registration of imported works of the "Project Profile Form" for the inspection of the quality of acts related units "quality checklist" for the inspection of engineering information "Engineering Quality Inspection Records Form" for the inspection of the quality of engineering entities "Housing construction quality inspection log," and "decorative decoration quality inspection log","roads, bridges project quality inspection log," for inspection Liang, panels, pillars location and diameter steel "reinforcement location checklist" for the inspection of the concrete strength "concrete strength resilience testing Form" inspection works for the detection test units "laboratory quality checklist," and "laboratory examination of records in table","quality laboratory testing checklist" for the inspection of ready-mix concrete production enterprise "ready-mix concrete plant quality checklist","ready-mix concrete plant quality inspection records acts table","ready-mix concrete plant quality control inspection log","ready-mix concrete plant product quality inspection and Registration Form" for the examination of relevant personnel to mandatory standards of the "construction standards mandatory testing of the questionnaire table," for statistical findings of the "quality inspection Tables","Engineering Quality Inspection results summary","project quality inspection results tables","Punishment of project quality inspection list","quality check" and the "existence of major problems tables construction standards mandatory testing of the questionnaire tables."
制定周密的检查方案，确定《省工程质量检查组工作程序》；调校钢筋测定仪、混凝土数显回弹仪、红外线测距仪、混凝土板厚测定仪等十余种检查仪器、设备；配备照相机、摄像机等取证器材；编制用于要求受检单位提供有关材料的《受检单位及人员提供原件清单》，用于登记受检工程有关情况的《工程项目概况表》，用于检查相关单位质量行为的《工程质量检查表》，用于检查工程技术资料的《工程质量检查记录表》，用于检查工程实体质量的《房屋建筑工程质量检查记录表》、《装饰装修工程质量检查记录表》、《道路、桥梁工程质量检查记录表》，用于检查梁、板、柱钢筋位置和直径的《钢筋位置检查表》，用于检查混凝土强度的《混凝土强度回弹检测表》，用于检查工程检测试验单位的《试验室工作质量检查表》、《试验室检查记录表》、《试验室检测质量检查表》，用于检查预拌混凝土生产企业的《预拌混凝土厂工作质量检查表》、《预拌混凝土厂质量行为检查记录表》、《预拌混凝土厂质量管理检查记录表》、《预拌混凝土厂产品质量检查登记表》，用于考核相关人员掌握强制性标准情况的《工程建设标准强制性条文问卷考核情况表》，用于统计检查结果的《工程质量检查情况统计表》、《工程质量检查结果汇总表》、《工程质量检查结果统计表》、《工程质量检查处罚情况一览表》、《工程质量检查存在主要问题统计表》和《工程建设标准强制性条文问卷考核情况统计表》。
- 更多网络解释与混凝土相关的网络解释 [注：此内容来源于网络，仅供参考]
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concrete batching：配制混凝土
concrete agitator 混凝土搅拌车;混凝土拌合机 | concrete batching 配制混凝土 | concrete batching plant 混凝土配料设备;混凝土配料厂
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concrete batching：配制混凝土sBs中国学习动力网
concrete agitator 混凝土搅拌车;混凝土拌合机sBs中国学习动力网 | concrete batching 配制混凝土sBs中国学习动力网 | concrete batching plant 混凝土配料设备;混凝土配料厂sBs中国学习动力网
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concrete buggy：混凝土手推车,混凝土用二轮车
concrete bucket lock 混凝土料斗闸门 | concrete buggy 混凝土手推车,混凝土用二轮车 | concrete burn 混凝土灼伤
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concrete buttress：混凝土扶墙;混凝土扶壁
concrete batching 配制混凝土 | concrete buttress 混凝土扶墙;混凝土扶壁 | concrete dwarf wall 混凝土矮墙
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cinder concrete：焦渣混凝土,煤渣混凝土矿渣混凝土
cinder coal 劣焦煤,极劣焦煤 | cinder concrete 焦渣混凝土,煤渣混凝土矿渣混凝土 | cinder concrete block 焦渣混凝土砌块
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concrete mixer：混凝土混合机;混凝土搅拌机
concrete mix 混凝土混合物;混凝土拌合料 | concrete mixer 混凝土混合机;混凝土搅拌机 | concrete mixing plant 混凝土拌合厂
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concrete mixer：混凝土搅拌机;混凝土拌合机
concrete mix 混凝土拌合料;混凝土配合比;混凝土混合物 | concrete mixer 混凝土搅拌机;混凝土拌合机 | concrete mixing plant 混凝土拌合机;混凝土拌合厂
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concrete placer：混凝土浇注机,混凝土铺注机,混凝土摊铺机
concrete placement 混凝土浇筑 | concrete placer 混凝土浇注机,混凝土铺注机,混凝土摊铺机 | concrete placing 灌混凝土
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prepackaged concrete：预压骨料混凝土,压浆混凝土
prepackaged concrete 预压骨料混凝土,压浆混凝土 | prepakt concrete 预压骨料混凝土,压浆混凝土 | preplaced-aggregate concrete 预填骨料混凝土
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cinder concrete：焦渣混凝土,煤渣混凝土矿渣混凝土
cinder coal ==> 劣焦煤,极劣焦煤 | cinder concrete ==> 焦渣混凝土,煤渣混凝土矿渣混凝土 | cinder concrete block ==> 焦渣混凝土砌块