Bearing?Capacity?of?Natural?Grit?Road

doi:10.3969/j.issn.1674-0696.2009.05.21

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (5): 895-898.DOI: 10.3969/j.issn.1674-0696.2009.05.21

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Bearing?Capacity?of?Natural?Grit?Road

ZHAO Yi¹, ², LIANG Nai-xing¹, HU Bin¹

?1.?School?of?Civil?Engineering?＆?Architecture,?Chongqing?Jiaotong?University,?Chongqing?400074,?China;?2.?Department?of?Civil?Engineering,?Hebei?Jiaotong?Vocational?＆?Technical?College?,Hebei?Shijiazhuang?050091,?China

Received:2009-04-10 Online:2009-10-15 Published:2015-04-15

天然砂砾路用承载力分析

赵??毅¹,²,梁乃兴¹,胡??滨¹

1.重庆交通大学土木建筑学院,重庆400074;2.河北交通职业技术学院土木工程系,河北石家庄050091

作者简介:赵??毅(1980—),男,河北保定人,硕士研究生,主要从事道路工程材料方面的研究。E-mail:zhaoyi980@163.com。
基金资助:
西藏交通厅科技项目( XZJTK J 2007??02)

Abstract

Abstract: Through?the?implement?of?compaction?tests?of?natural?grit?with?different?natural?gradation?and?design?dense?gradation,?the?primary?factors?influencing?maximum?dry?density?and?optimum?water?content?with?different?gradation?composition?are?analyzed.?Under?eonditions?of?maximum?dry?density?and?optimum?water?content,?the?resilient?modulus?test?of?D?×?H?=?308?mm?×?290?mm?large?test?sample?has?been?carried?out?for?natural?grit?of?natural?gradation?and?dense?gradation,?then?the?bearing?capacity?of?natural?grit?road?with?different?gradation?composition?is?analyzed.

Key words: natural grit , gradation , compaction test , resilient modulus , beating capacity

摘要： 通过对天然砂砾不同天然级配和设计密实级配进行击实试验,分析了不同级配组成最大干密度和最佳含水量的主要影响因素。在最大干密度和最佳含水量条件下,对天然级配和密实级配的天然砂砾进行D??H=308mm ??290mm大试件回弹模量试验,分析了天然砂砾不同级配组成的路用承载力。

关键词: 天然砂砾, 级配, 击实试验, 回弹模量, 承载力

CLC Number:

U416.213

ZHAO Yi, , LIANG Nai-xing, HU Bin. Bearing?Capacity?of?Natural?Grit?Road[J]. Journal of Chongqing Jiaotong University(Natural Science), 2009, 28(5): 895-898.

赵??毅,,梁乃兴,胡??滨. 天然砂砾路用承载力分析[J]. 重庆交通大学学报（自然科学版）, 2009, 28(5): 895-898.

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Bearing?Capacity?of?Natural?Grit?Road

天然砂砾路用承载力分析

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