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鱼脊型泥石流水石分离结构强度计算方法
Alternative TitleStructural Calculation of Herringbone Water-sediment Separation Structure for Debris Flow Defense
谢涛1; 谢湘平2; 韦方强2; 杨红娟2
Corresponding Author韦方强
2016-03
Source Publication四川大学学报(工程科学版)
ISSN1009-3087
Volume48Issue:2Pages:48-56
Abstract鱼脊型水石分离结构是一种用于持续分离粗颗粒的新型泥石流防治结构,为确定实际应用中该结构的强度计算方法,理论分析发现:结构中引流坝的计算方法与传统重力拦砂坝类似,且泥石流荷载主要作用于水石分离格栅的肋梁上;通过简化肋梁的计算模型,将肋梁与脊梁连接处简化成铰结点,肋梁与基础之间的约束简化成铰支座,主要考虑泥石流重力、泥石流中石块冲击力及泥石流体动压力3种荷载作用,据此计算出3种荷载作用下肋梁任意截面的内力,最终建立肋梁强度验算公式,以此作为工程设计中选取水石分离格栅合理截面型式及尺寸的依据。
Other Abstract

A new herringbone water-sediment separation structure was designed to continuously separate coarse particle from debris flow.Calculation method of structural strength and stability should be determined before it used in debris flow mitigation.Theoretical analysis showed that the calculation methods of draining dyke is similar to that of traditional close-type dam,and debris flow force,which include debris flow gravity,impact force of rock blocks,debris flow dynamical pressure,mainly loaded on the ribbed beam of the herringbone water-sediment separation grid.By simplifying structural mechanical model,calculation formulas of the ribbed beam's strength and stability were determined,which can be used to determine optimal sectional type and dimension of the grid.

Keyword泥石流 水石分离 防治工程 结构强度
Subject AreaP642.23
DOI10.15961/j.jsuese.2016.02.008
Indexed ByEI ; CSCD ; 北大中文核心
Language中文
CSCD IDCSCD:5664570
Funding Organization重庆市博士后科研项目特别资助(Xm2015062) ; 重庆市重点自然基金资助项目(cstc2013jj B30001) ; 重庆高校创新团队建设计划资助项目(KJTD201305)
Accession numberAccession number:20161602243530
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17692
Collection山地灾害与地表过程重点实验室
Affiliation1.重庆交通大学岩土工程研究所
2.中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
谢涛,谢湘平,韦方强,等. 鱼脊型泥石流水石分离结构强度计算方法[J]. 四川大学学报(工程科学版),2016,48(2):48-56.
APA 谢涛,谢湘平,韦方强,&杨红娟.(2016).鱼脊型泥石流水石分离结构强度计算方法.四川大学学报(工程科学版),48(2),48-56.
MLA 谢涛,et al."鱼脊型泥石流水石分离结构强度计算方法".四川大学学报(工程科学版) 48.2(2016):48-56.
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