摘 要：介绍了清水混凝土在常州高架二期工程中的应用。通过实际工程，具体阐述了清水混凝土的配合比设计、原材料质量控制以及施工技术要点。 Abstract: The application of fair-faced concrete in Changzhou Secondary Viaduct Project is introduced. Through practical project, the mix proportion design of fair-faced concrete, quality control of raw materials and key points of construction technology are concretely described.

摘 要： 超高层大型建筑目前已经成为城市建设中重要的组成部分。基于超高建筑竖向荷载较大的特点，其基础形式多采用超长超大厚度的筏形基础。而筏板基础往往因为建筑长度较长，依据相关规范要求设置多道后浇带，由此产生了大厚度、小净空、变截面的后浇带施工难题。结合成都某工程地下室筏形基础工程所采用的混凝土膨胀加强带施工技术，介绍了超厚超长大体积混凝土一次浇筑无缝施工技术，在实践中对传统后浇带的优化替代方案进行了探索。 Abstract: Currently super high-rise large buildings have become the important components in city construction. Based on the characteristic of large erect load for super high-rise buildings, raft foundation with super-long and super-large thickness is adopted to its foundation form. Because of longer building length for raft foundation, according to relevant specification, multi-channel late poured bands should be set, therefore, construction difficulties about large thickness, small clearance and variable cross-section of late poured bands are appeared. Combining with a raft foundation of basement in one Chengdu project, with the construction technique for concrete expansion reinforcing band, jointless construction for one-time-concreting to super-thick and super-long mass concrete is achieved. And optimal substitutive proposals of traditional late poured bands are explored and practiced.

摘 要：在常温常压条件下，研制了一种以碱性激发剂激发矿渣、生土为基材，以吸附储能相变石蜡的膨胀珍珠岩作为轻质骨料的低碳储能复合建筑材料（LPM），其28d抗折强度和抗压强度分别可达4.95MPa、23.05MPa。测试了材料的温度随环境温度及时间变化关系以及导热性能、力学性能，同时与硅酸盐水泥 (OPC)进行了对比。结果表明：在外界温度发生变化时，此种复合建筑材料较硅酸盐水泥具有导热系数低，升温、降温速度慢，温度变化平缓、波动小的优点，且具有较好的力学性能。 Abstract: Under the normal temperature and pressure condition, a kind of low carbon emission and power storage composite building material (LPM) is prepared, which is using alkaline activated agent acting slag and clay as the substrate, and using expand perlite with adsorption and power storage phase change paraffin as light aggregate. The corresponding flexural and compressive strength can reach 4.95MPa and 23.05MPa. The variation of temperature with environment temperature and time, thermal conductivity and mechanism properties are tested, meanwhile, the LPM is contrasted to the ordinary Portland cement (OPC) as reference one. The results indicate that when the environment temperature changes, compared with the ones of OPC, the thermal conductivity of LPM is lower, the temperature rising and cooling of LPM changes more slowly and the temperature fluctuation is less. Furthermore, the mechanism properties of LPM are better than the ones of OPC.

摘 要：墙体自保温是夏热冬冷地区建筑节能工作的发展趋势，本文结合湖南省建筑节能的现状，对湖南省墙体自保温体系进行了系统的介绍和分析。通过对五种自保温墙体材料性能的介绍，对各种墙体自保温材料的特点进行了分析，并结合应用实际提出了相关建议。 Abstract：The self-thermal insulation for the wall is the trend for the work of building energy saving in the hot summer and cold winter zone. Combining with the current situation of building energy saving of Hunan Province, the systemic introduction and analysis on the system of self-thermal insulation for the wall in Hunan Province are carried out. Through the introduction of the properties of five kinds of self-thermal insulation wall materials, the characteristics of self-thermal insulation wall materials are analyzed, and according to the application practice, the relevant suggestions are offered.

摘  要：现浇混凝土CBM自稳型内模空心楼盖具有轻质高强、抗振动性能及保温隔音性能好的优点，而且施工方便，经济实用。工程实践表明，抗浮是混凝土空心楼盖施工的关键技术，施工过程中只要加强对CBM管安装固定、混凝土浇筑等关键工序的质量控制，空心楼盖施工质量就可以得到有效保障。Abstract:Theself-stabilizationCBMtubesincast-in-placeconcreteofhollowfloorhavetheadvantagesoflightweight,highstrength,anti-vibration,heatpreservationandgoodsoundproofperformance,furthermore,itiseasytobeconstructed,economicalandpractical.Theengineeringpracticeprovesthatanti-floatingisakeytechniqueinconstructionofcast-in-placeconcreteofhollowfloor,andthequalityofhollowfloorwillbeeffectivelyguaranteedaslongasthequalitycontrolofthekeyprogramssuchasthefirm-installmentofCBMtubesandtheprocessofpouringconcrete,isstrengthened.

摘 要：通过对主拉应力破坏理论和库仑破坏理论及墙体抗剪时的三种破坏形态的分析，研究了混凝土砌块砌体在剪压复合受力下抗剪强度计算方法，建立了混凝土砌块砌体抗剪强度公式。 Abstract: The shear strength computational methods of concrete block masonry under shear-compression loading are studied based on the analysis of the maximum tensile stress theory, the classic Coulomb friction law and the three kinds of failure models of the wall against shearing. And the shear strength formula of concrete block masonry is established.