The influence and analyse of fly ash with high sulphur content on expansion cracks of lime-fly ash base

Journal of Chongqing Jiaotong University(Natural Science) ›› 2005, Vol. 24 ›› Issue (5): 53-55.

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The influence and analyse of fly ash with high sulphur content on expansion cracks of lime-fly ash base

GAO Yan-long¹ ， HUANG Xing² ， LIU Feng²

1.School of Civil Engineering & Architecture, Chongqing Jiaotong University, Chongqing 400074 China; 2.Chongqing Communications Research and Design Institute, Chongqing 400067, China

Received:2004-09-06 Revised:2004-09-23 Online:2005-10-15 Published:2015-05-18

高含硫粉煤灰对二灰基层膨胀开裂的影响与分析

高艳龙¹，黄莘²，刘峰²

1.重庆交通学院土木建筑工程学院，重庆400074.2．重庆交通科研设计院，重庆400067

作者简介:高艳龙0976—)，男，山西吕梁人，硕士生，主要从事道路与铁道工程专业。

Abstract

Abstract: The sulfur amount of fly ash has a substantial influence on the intensity and stability of road base course. Elicited from an engineering case, this paper discusses and analyzes the mechanism of road base course expansion cracks,intensity decrease, and final destruction caused by high sulfur content fly ash, which is testified by indoor and outdoor experimentations. And it is also given as a reference of others professionals

Key words: fly ash, SO3, road base course, expansion, crack

摘要： 粉煤灰含硫量对路面基层的强度和稳定性有重要影响。本文从工程实例出发，分析探讨了高含硫量粉煤灰导致路面基层膨胀开裂、强度降低进而产生破坏的机理，并结合室内外实验予以验证。以期引起同行的注意与借鉴。

关键词: 粉煤灰, SO3, 路面基层, 膨胀, 开裂

CLC Number:

U214.1⁺6

GAO Yan-long ， HUANG Xing ， LIU Feng. The influence and analyse of fly ash with high sulphur content on expansion cracks of lime-fly ash base[J]. Journal of Chongqing Jiaotong University(Natural Science), 2005, 24(5): 53-55.

高艳龙，黄莘，刘峰. 高含硫粉煤灰对二灰基层膨胀开裂的影响与分析[J]. 重庆交通大学学报（自然科学版）, 2005, 24(5): 53-55.

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The influence and analyse of fly ash with high sulphur content on expansion cracks of lime-fly ash base

高含硫粉煤灰对二灰基层膨胀开裂的影响与分析

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