生土砌体砌筑泥浆生态改性配方研究

硅酸盐通报 ›› 2023, Vol. 42 ›› Issue (2): 496-508.

所属专题：水泥混凝土

生土砌体砌筑泥浆生态改性配方研究

刘江¹, 袁康^1,2, 张松林¹, 陈楠^1,2

1.石河子大学水利建筑工程学院,石河子 832003;
2.新疆兵团高烈度寒区建筑抗震节能技术工程实验室,石河子 832003

收稿日期:2022-09-22 修订日期:2022-10-16 出版日期:2023-02-15 发布日期:2023-03-07
通信作者: 袁康,博士,教授。E-mail:williamyuan1982@163.com
作者简介:刘江(1995—),男,硕士研究生。主要从事结构工程方面的研究。E-mail:1751948415@qq.com
基金资助:
“十三五”国家重点研发计划(2018YFD1100402-03);兵团中青年科技领军人才计划(2020CB033)

Ecological Modification Formula of Raw Soil Masonry Mud

LIU Jiang¹, YUAN Kang^1,2, ZHANG Songlin¹, CHEN Nan^1,2

1. College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832003, China;
2. Xinjiang Production & Construction Groups Engineering Laboratory for Seismic and Energy-Saving Building in High Earthquake Intensity and Cold Zone, Shihezi 832003, China

Received:2022-09-22 Revised:2022-10-16 Online:2023-02-15 Published:2023-03-07

摘要/Abstract

摘要： 针对在地震作用下生土砌体墙因砌筑泥浆强度低而沿灰缝处发生剪切破坏的问题,在考虑不破坏生土归田性的前提下,提出了生土泥浆生态改性配方以提高砌体抗剪强度。通过单因素、正交试验研究了糯米胶、丙烯酸乳液、速溶胶粉、纤维素等掺量对生土泥浆的抗剪强度、抗压强度和抗折强度的影响规律,得到改性泥浆最优配比,并在此基础上进行改性生土材料归田性分析及生土砌体抗剪试验。研究结果表明:泥浆经改性后,较传统非改性泥浆抗剪强度提高了50.55%,抗压强度提高了33.14%,抗折强度提高了23.48%;改性后的生土材料能使农作物正常生长,土壤成分分析符合植物种植标准,归田性没有被破坏;采用改性泥浆的生土砌体相较于未改性生土砌体抗剪强度提升了34.77%。

关键词: 生土结构, 砌筑泥浆, 生态改性, 最优配比, 抗剪强度, 归田性

Abstract: To address the problem of shear damage along the mortar joints of raw soil masonry walls under seismic action due to the low strength of masonry mud, the ecological modification formulas of raw soil mud to improve the shear strength of masonry were proposed without destroying the return to the field of raw soil. The effects of the dosages of glutinous rice glue, acrylic emulsion, instant glue powder and cellulose on the shear strength, compressive strength and flexural strength of raw soil mud were investigated by single-factor and orthogonal tests, and the optimal mix ratio of modified mud was obtained. Then the return to the field analysis of modified raw soil material and the shear test of raw soil masonry were carried out. The research results show that compared with the traditional unmodified mud, the shear strength of modified mud increases by 50.55%, the compressive strength increases by 33.14%, and the flexural strength increases by 23.48%. The modified raw soil material can make crops grow normally, the soil composition analysis conforms to the plant planting standard, and its return to the field is not damaged. The shear strength of raw soil masonry with modified mud increases by 34.77% compared with the unmodified raw soil masonry.

Key words: raw soil structure, masonry mud, ecological modification, optimal mix ratio, shear strength, return to the field

中图分类号:

TU521

刘江, 袁康, 张松林, 陈楠. 生土砌体砌筑泥浆生态改性配方研究[J]. 硅酸盐通报, 2023, 42(2): 496-508.

LIU Jiang, YUAN Kang, ZHANG Songlin, CHEN Nan. Ecological Modification Formula of Raw Soil Masonry Mud[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(2): 496-508.

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生土砌体砌筑泥浆生态改性配方研究

Ecological Modification Formula of Raw Soil Masonry Mud

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