- 1、本文档共68页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
(二)设计标高的调整 考虑的因素: 1.由于土的可松性,设计标高的调整。 2.由于设计标高以上各种填方(挖方)影响,设计标高的调整。 3.考虑泄水坡度对设计标高的影响,将场地整理成一定坡度的斜面。 因土的可松性,设计标高的调整: 设△h为设计标高的增加值,则总挖方体积变VW?=VW-FW?h Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 设计标高调整后,总填方体积变为: 填方区的标高也与挖方区的标高一样提高?h,即 移项并化简得: 则考虑土的可松性,场区的设计标高调整后为: Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 考虑泄水坡度对设计标高的影响,将场地整理成一定坡度的斜面 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 【例】某建筑场地方格网、地面标高如图,格边长a=20m。泄水坡度ix =2‰,iy=3‰,不考虑土的可松性的影响,确定方格各角点的设计标高。 解: (1)初步设计标高(场地平均标高) H0=(?H1+2?H2+3?H3+4?H4)/4M =[70.09+71.43+69.10+70.70+2×(70.40+70.95+69.71+…)+4×(70.17+70.70+69.81+70.38)] /(4×9) =70.29(m) 70.09 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation on
文档评论(0)