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.

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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.

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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.

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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.

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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.

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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.

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concrete batching：配制混凝土

concrete agitator 混凝土攪拌車;混凝土拌合機(jī) | concrete batching 配制混凝土 | concrete batching plant 混凝土配料設(shè)備;混凝土配料廠

concrete batching：配制混凝土sBs中國(guó)學(xué)習(xí)動(dòng)力網(wǎng)

concrete agitator 混凝土攪拌車;混凝土拌合機(jī)sBs中國(guó)學(xué)習(xí)動(dòng)力網(wǎng) | concrete batching 配制混凝土sBs中國(guó)學(xué)習(xí)動(dòng)力網(wǎng) | concrete batching plant 混凝土配料設(shè)備;混凝土配料廠sBs中國(guó)學(xué)習(xí)動(dòng)力網(wǎng)

concrete buggy：混凝土手推車,混凝土用二輪車

concrete bucket lock 混凝土料斗閘門 | concrete buggy 混凝土手推車,混凝土用二輪車 | concrete burn 混凝土灼傷

concrete buttress：混凝土扶墻;混凝土扶壁

concrete batching 配制混凝土 | concrete buttress 混凝土扶墻;混凝土扶壁 | concrete dwarf wall 混凝土矮墻

cinder concrete：焦渣混凝土,煤渣混凝土礦渣混凝土

cinder coal 劣焦煤,極劣焦煤 | cinder concrete 焦渣混凝土,煤渣混凝土礦渣混凝土 | cinder concrete block 焦渣混凝土砌塊

concrete mixer：混凝土混合機(jī);混凝土攪拌機(jī)

concrete mix 混凝土混合物;混凝土拌合料 | concrete mixer 混凝土混合機(jī);混凝土攪拌機(jī) | concrete mixing plant 混凝土拌合廠

concrete mixer：混凝土攪拌機(jī);混凝土拌合機(jī)

concrete mix 混凝土拌合料;混凝土配合比;混凝土混合物 | concrete mixer 混凝土攪拌機(jī);混凝土拌合機(jī) | concrete mixing plant 混凝土拌合機(jī);混凝土拌合廠

concrete placer：混凝土澆注機(jī),混凝土鋪?zhàn)C(jī),混凝土攤鋪機(jī)

concrete placement 混凝土澆筑 | concrete placer 混凝土澆注機(jī),混凝土鋪?zhàn)C(jī),混凝土攤鋪機(jī) | concrete placing 灌混凝土

prepackaged concrete：預(yù)壓骨料混凝土,壓漿混凝土

prepackaged concrete 預(yù)壓骨料混凝土,壓漿混凝土 | prepakt concrete 預(yù)壓骨料混凝土,壓漿混凝土 | preplaced-aggregate concrete 預(yù)填骨料混凝土

cinder concrete：焦渣混凝土,煤渣混凝土礦渣混凝土

cinder coal ==> 劣焦煤,極劣焦煤 | cinder concrete ==> 焦渣混凝土,煤渣混凝土礦渣混凝土 | cinder concrete block ==> 焦渣混凝土砌塊