Construction Techniques and Quality Test and Evaluation of Lightweight Cellular Concrete Mixed with Fly Ash as Subgrade Material
Construction Techniques and Quality Test and Evaluation of Lightweight Cellular Concrete Mixed with Fly Ash as Subgrade Material
复制标题
粉煤灰路基材料轻质蜂窝混凝土施工技术及质量检测评价
DOI：
10.1155/2019/5402679
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发表时间：
2019-06
影响因子：
--
通讯作者：
Hong Baoning
中科院分区：
文献类型：
--
作者：
Liu Xin;Ni Chengwei;Ji Hong;Tan Shuyan;Hong Baoning
为提高粉煤灰轻质泡沫混凝土在路基工程中的应用水平，保证工程质量，对粉煤灰轻质泡沫混凝土的施工工艺及质量控制措施进行了研究。本文以广东省某项目为例，具体研究内容如下。首先，根据现场施工条件和质量要求，提出了施工工艺流程和技术措施。其次，通过现场测定流动度、湿密度和强度，进一步验证了室内配合比的可行性。再次，通过垂直分层试验和表面强度试验，确定了合适的单层浇注厚度和合理的层间间隔时间。本文通过单因素试验和多因素正交试验，综合考虑粉煤灰、水胶比、泡沫等因素，优化了LCCF的室内配合比。本文的主要工作如下：给出了轻质混凝土的室内制备方法和现场制备方法。并采用两种专利试验装置分别进行强度测试沿着深度和表面强度测试。并以广东省肇庆市某高速公路连泾大桥为工程实例，桩号为K80 + 679.679 <$K80 + 760.113。
To improve the comprehension and utilization of lightweight cellular concrete mixed with fly ash (LCCF) and ensure project quality in subgrade construction engineering, the construction techniques and quality control measures of LCCF are studied in this paper. The corresponding research contents, based on a specific project case located in Guangdong Province, are as follows. Firstly, the construction technology process and technological measures are put forward, according to the site construction conditions and quality requirements. Secondly, the feasibility of indoor mixture ratio is further verified by measuring the fluidity, wet density, and strength on-site. Thirdly, the suitable pouring thickness of the single layer and reasonable interval time between layers are determined by the vertical delamination test and surface strength test. In this paper, the indoor mixture ratio of LCCF has been improved through tests such as single factor test and multifactor orthogonal test considering factors like fly ash, water-binder ratio, and foam. Some highlights of this article are as follows: the preparation methods of lightweight concrete in laboratory and in situ are given. And two patented test devices are used for the strength test along with the depth and surface strength test, respectively. Besides, the practical engineering case is Lianjing Bridge, of which mileage pile number is K80 + 679.679∼K80 + 760.113, which is part of a highway in Zhaoqing City, Guangdong Province, China.
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影响因子：
5.8
作者：
Bian, Xia;Cui, Yu-Jun;Li, Xiao-Zhao
通讯作者：
Li, Xiao-Zhao
影响因子：
13.6
作者：
S. Horiuchi;M. Kawaguchi;K. Yasuhara
通讯作者：
S. Horiuchi;M. Kawaguchi;K. Yasuhara
DOI：
10.1520/jai102134
发表时间：
2009-03
期刊：
Journal of Astm International
影响因子：
--
作者：
Y. Watabe;Masanori Tanaka;H. Saegusa;H. Shinsha;T. Tsuchida
通讯作者：
Y. Watabe;Masanori Tanaka;H. Saegusa;H. Shinsha;T. Tsuchida
DOI：
10.4028/www.scientific.net/amm.204-208.1622
发表时间：
2012-10
期刊：
Applied Mechanics and Materials
影响因子：
--
作者：
Z. Li;Kai-feng Zhang
通讯作者：
Z. Li;Kai-feng Zhang
影响因子：
2.2
作者：
Soon-Ching Ng;Low, Kaw-Sai;Tioh, Ngee-Heng
通讯作者：
Tioh, Ngee-Heng