水泥净浆配合比计算书

水泥净浆配合比计算书 Mix proportion calculation of cement paste 试验编号Test number: 一、设计说明 Design instructions 柬埔寨上丁湄公河大桥水泥净浆，设计稠度为14s,18s。 The design of cement paste of Takhmau Bridge over Tonle Bassac River and Its Connecting Road of Cambodia , designed consistency is 14s ~ 18s. 二、设计依据 Design basis 1、《柬埔寨上丁湄公河大桥工程施工图设计》 《Final Design of Takhmau Bridge over Tonle Bassac River and its Connecting Road of Cambodia》 2、《砌筑砂浆配比设计规程JGJ T98-2010》 《Masonry mortar design procedures JGJ T98-2010》 3、《公路桥涵施工技术规范JGJ/ F50-2011》 《Highway bridges and culverts technical specification JGJ / F50-2011》 4、《公路工程水泥及水泥混凝土试验规程 JTG E30-2005》 《Test Methods of Cement and Concrete for Highway Engineering JTG E30-2005 》 三、设计要求 Design requirement 1、使用部位为孔道压浆。 Concrete pouring for usage position 2、水泥净浆28天抗压强度大于50MPa 28 days compressive strength of cement paste larger than 50MPa 3、水灰比为0.28 Water-cement:0.28 4、设计稠度:14s~18s 5、 Design consistency:14s~18s 四、原材料说明 Description of raw materials 1、水泥 Cement 水泥名称:TPI-I型水泥 样品描述:Portland Cement Type-I Cement name: TPI-I type cement Description: Portland Cement Type-I 3产地:泰国 密度(Kg/m):3.1 3Place of origin: Thailand Density(Kg/m):3.1 2、外加剂 Admixture 样品名称:上海麦斯特RP325高性能减水剂 Sample name: RP-325from Shanghai 3、膨胀剂 样品名称:康备100 Sample name:Conbex 100 五、配合比设计 1、计算初步配合比 Calculation of the initial mix proportion )计算水泥净浆土配置强度 1 Calculated strength of cement paste fcu.0=50×1.15=57.5MPa 2) 水灰比取0.28 Water-cement ratio is 0.28 33) 经初步试拌选定单位用水量为450Kg/m， 3 Preliminary water amount: 450Kg/m, 3 4) 计算单位胶凝材料用量=450/0.28=1610Kg/m 3 Cement amount: 450/0.28=1610Kg/m 35)计算单位膨胀剂用量=1610×0.00454=7.3Kg/m 3 Sweller aggregate amount:1610×0.0454=7.3Kg/m 3 计算单位减水剂用量=1610×0.007=11.3Kg/m 3 Water reducer aggregate amount: 1610×0.007=11.3Kg/m 初步配合比为:Initial mix proportion 水泥 cement:水 water: 膨胀剂 sweller:减水剂 water reducer =1610:450:7.3:11.3=1:0.28:0.00454:0.007 3、结论 Conclusion 试配1配合比28天强度达到55.5 MPa，为设计强度的111.0% Test 1 of 28d strength is 55.5 MPa, 111.0 % of design strength 试配2配合比28天强度达到49.0 MPa，为设计强度的98.0% Test 2 of 28d strength is 49.0 MPa, 98.0% of design strength 试配3配合比3天强度达到59.9 MPa，为设计强度的 119.8% Test 3 of 28d strength is 59.9 MPa, 119.8% of design strength 4、确定试验室配合比 Final laboratory mix proportion 经综合比较，我部认为试配1工作性、经济性最佳，拟选用试配1作为试验室配合比。 After comprehensive comparison, we intended to choose test 1 as laboratory mix proportion because of good workability and economical efficiency. 试配1配合比为: test1 mix proportion: 水泥 cement:水 water: 膨胀剂 sweller:减水剂 water reducer: =1610:450:7.3:11.3=1:0.28:0.00454:0.07 计算人: 复核人: Calculated by: Checked by: