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* 独立基础(单独基础) 概念: 类型: 是整个或局部结构物下的无筋或配筋的单个基础。常见于桥梁工程、工业厂房等。 ⑴ 钢筋混凝土柱下单独基础 根据基础与柱的连接方式分为: 阶梯形 锥形 杯形 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 基础底面形状:轴心受压柱下一般为正方形,偏心受压柱下一般为矩形。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ⑵ 砌体柱下单独基础 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ⑶ 墙下单独基础 适用条件:地基上层土质松散其下不远处有较好的土层; 类型:基础支承过梁式、基础支承砖拱式; Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ⑷ 烟囱、水塔等特种结构单独基础 一般采用钢筋混凝土圆板或圆环基础和素混凝土实体基础。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 条形基础 概念:指基础的长度远远大于其宽度的一种基础型式。 类型: 按上部结构形式分为:墙下条形基础;柱下条形基础 。 ⑴ 墙下条形基础 刚性(无筋) 柔性(配筋) Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 横截面积根据受力条件又可分为不带肋和带肋两种。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ⑵ 柱下钢筋混凝土条形基础 A:概念 B:型式 等截面 变截面 柱位处加腋 C:目的是将承受的集中荷载较均匀地分布到条形基础底面积上,以减小地基反力,并通过形成的基础整体刚度来调整可能产生的不均匀沉降。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. D:双柱联合基础应用 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011
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