模板及支撑设计各项荷载参考数值、成熟度法计算混凝土早龄期强度、轴心受压构件稳定系数、模板早拆过程控制及验收表格.docx

《模板及支撑设计各项荷载参考数值、成熟度法计算混凝土早龄期强度、轴心受压构件稳定系数、模板早拆过程控制及验收表格.docx》由会员分享，可在线阅读，更多相关《模板及支撑设计各项荷载参考数值、成熟度法计算混凝土早龄期强度、轴心受压构件稳定系数、模板早拆过程控制及验收表格.docx（8页珍藏版）》请在第一文库网上搜索。

1、附录A模板及支撑设计各项荷载参考数值A.0.1模板及其支撑自重标准值按表AO1取值。表AO1楼板模板及其支撑荷载标准值（kN）项次模板构件名称木模板1平面模板及小梁0.32楼板模板（其中包括梁的模板）0.53楼板模板及支架（楼层高度在4m以下）0.75注：其它材质模板揖量按实际情况计算“A.0.2现浇混凝土自重：普通混凝土采用24kN,其他混凝土根据实际重力密度确定。A.0.3钢筋自重：根据钢筋混凝土结构工程设计图纸计算确定，一般梁板结构每立方米混凝土中钢筋的自重标准值，楼板为11kNm3,梁为1.5kNnA. 0.4施工人员及施工设备荷载：1计算模板、次楞、主楞及支架立杆时，施工均布荷载取2

2、,5kNm2;2对大型建筑设备如混凝土输送管、布料机等按实际情况计算；3混凝土堆积高度超过板厚按实际高度计算。A.0.5振捣混凝土时产生的荷载，对水平面模板荷载可采用2kN附录B成熟度法计算混凝土早龄期强度B. 0.1成熟度法的适用范围及条件应符合下列规定：1本法适用于不掺外加剂50C以下正温养护和掺外加剂在30C以下养护的混凝土，也可适用于掺防冻剂负温养护法施工的混凝土；2本法适用于预估混凝土强度标准值60%以内的强度值；3应采用工程实际使用的混凝土原材料和配合比，制作不少于5组混凝土立方体标准试块在标准条件下养护，测试Id、2d、3d、7d、28d的强度值；4采用本法应取得现场养护混凝土的

3、连续温度实测资料。C. 0.2用计算法确定混凝土强度应按下列步骤进行：1用标准养护试件的各龄期强度数据，应经回归分析拟合成下式曲线方程：bf=ae5(B.0.2-1)式中：f混凝土立方体抗压强度(MPa)；D混凝土养护龄期(d)ayb参数。2应根据现场的实测混凝土养护温度资料，按下式计算混凝土已达到的等效龄期：Q=Z(c+r)(B.0.2-2)式中：De一等效龄期(h)；a等效系数，按表B.0.2采用；r某温度下的持续时间(h)o3以等效龄期。作为。带入公式(B.0.2-1),计算混凝土强度。表B.0.2等效系数温度C等效系数33度C等效系数“温度C等效系数期502.95311.59120.6

4、6492.87301.53110.62482.78291.47100.58472.71281.4190.55462.63271.3680.51452.55261.3070.48442.48251.2560.45432.40241.2050.42422.32231.1540.39412.25221.1030.35402.19211.0520.33392.12201.0010.31382.04190.9500.28371.98180.90-10.26361.92170.86-20.24351.84160.81-30.22341.77150.77-40.20331.72140.74-50.18321

5、.66130.70附录C轴心受压构件稳定系数表C0.1Q235钢管轴心受压构件的稳定系数90123456789O1(XX)0.9970.9950.9920.9890.9870.9840.9810.9790.976100.9740.9710.9680.9690.9630.9600.9580.9550.9520.949200.9470.9440.9410.9380.9360.9330.9300.9270.9240.921300.9180.9150.9120.9090.9060.9030.8990.8960.8930.889400.8860.8820.8790.8750.8720.8680.8640

6、.8610.8580.855500.8520.8490.8460.8430.8390.8360.8320.8290.8250.822600.8180.8140.8100.8060.8020.7970.7930.7890.7840.779700.7750.7700.7650.7600.7550.7500.7440.7390.7330.728800.7220.7160.7100.7040.6980.6920.6860.6800.6730.667900.6610.6540.6480.6410.6340.6260.6180.6110.6030.59510.5880.5800.5730.5660.558

7、0.5510.5440.5370.5300.5231100.5160.5090.5020.4960.4890.4830.4760.4700.4640.4581200.4520.4460.4400.4340.4280.4230.4170.4120.4060.4011300.3960.3910.3860.3810.3760.3710.3670.3620.3570.3531400.3490.3440.3400.3360.3320.3280.3240.3200.3160.3121500.308().3050.3010.2980.2940.2910.2870.2840.2810.2771600.2740

8、.2710.2680.2560.2620.2590.2560.2530.2510.248续表C.0.101234567891700.2450.2430.2400.2370.2350.2320.2300.2270.2250.2231800.2200.2180.2160.2140.2110.2090.2070.2050.2030.2011900.1990.1970.1950.1930.1910.1890.1880.1860.1840.1822000.1800.1790.1770.1750.1740.1720.1710.1690.1670.1662100.1640.1630.1610.1600.15

9、90.1570.1560.1540.1530.1522200.1500.1490.1480.1460.1450.1440.1430.1410.1400.1392300.1380.1370.136OJ350.1330.1320.1310.1300.1290.1282400.1270.1260.1250.1240.1230.1220.1210.1200.1190.1182500.117表C.0.2Q355钢管轴心受压构件的稳定系数O123456789O1.0000.9970.9940.9910.9880.9850.9820.9790.9760.973IO0.9710.9680.9650.9620.

10、9590.9560.9520.9490.9460.943200.9400.9370.9340.9300.9270.9240.9200.9170.9130.909300.9060.9020.8980.8940.8900.8860.8820.8780.8740.8704()0.8670.8640.8600.8570.8530.8490.8450.8410.8370.833500.8290.8240.8190.8150.8100.8050.8000.7%0.7890.783600.7770.7710.7650.7590.7520.7460.7390.7320.7250.718700.7100.703

11、0.6950.6880.680.6720.6640.6560.6480.64800.6320.6230.6150.6070.5990.5910.5830.5740.5660.558900.5500.5420.5350.5270.5190.5120.5040.4970.4890.482续表C.0.2O123456789IOO0.4750.4670.4600.4520.4450.4380.4310.4240.4180.411I1O0.4050.3980.3920.3860.3800.3750.3690.3630.3580.3521200.3470.3420.3370.3320.3270.322().3180.3130.3090.3041300.3000.2960.2920.2880.2840.2800.2760.2720.2690.2651400.2610.2580.2550.2510.2480.2450.2420.2380.2350.2321500.2290.2270.2240.2210.2180.2160.2130.2100.2080.2051600.2030.2010.1980.1960.1940.1910.1890.1870.1850.1831700.1810.1790.1770.1750.1730.171