综合精品_淫语对白_亚洲一线二线在线观看_自偷自拍av_女m被主人虐玩调教91_青草精品视频_一乃葵在线_村上里沙在线观看_国产精品刺激_日韩精品视频免费_国产又黄又猛又粗_3d蒂法精品啪啪一区二区免费_日韩一本在线_奇米精品一区二区三区四区_日本三级黄色录像

PDF全文閱讀

趙文波¹ , 于世卿¹ , 褚付克² , 黃啟龍¹ , 趙秀松¹ , 胡海華¹

( 1. 中鐵二十三局集團第四工程有限公司 ，四川 成都 610000;  2. 河南省交通規劃設計研究院股份有限公司 ，河南 鄭州 450000)

摘   要： 本文對比研究了水泥和以工業廢渣為材料制備的 2 種土壤改良劑對路床土壤的改良作用 。研究表明： 改良劑 1#和 P ·F 32. 5 水泥基本具有相等的改性效果 ，改良劑2#由于具有更高的鈣含量 ，CBR 和 7 d 無側 限強度提升效果更明顯； 材料成本降低10% ~ 20% , 具有明顯的價格優勢，相對水泥不會對周圍農田產生環境破壞； 與傳統的水泥固化劑施工藝相同 ，具有無需增加額外施工成本的優勢； 同時改良劑 2#對路基承載力及固化土層彈性模量的改善效果明顯優于 P ·F 32. 5 水泥。

關鍵詞： 工業廢渣； 改良劑； 穩定土； CBR; 無側限抗壓強度

中圖分類號： U414. 1      

文獻標志碼： A       

文章編號： 1005-8249 (2023) 06-0064-06

DOI : 10. 19860/j.cnki.issn1005-8249.2023.06.010

ZHAO Wenbo¹ , YU Shiqing¹ , CHU Fuke² , HUANG Qilong¹  ( 1. China Railway 23rd Bureau Group 4th Engineering Co. ，Ltd. ，Chengdu 610000 , China;

2. Henan Provincial Transportation Planning and Design Institute Co. ，Ltd. ，Zhengzhou 450000 , China)  

Abstract: This paper studies and compared the effect of cement and soil modifier prepared from industrial waste residue on the improvement of road bed soil. The results showed that modifier 1# and P.F 32.5 cement have almost the same modification effect; due to its higher calcium content, the CBR and 7d unconfined strength of modifier 2# were improved more significantly. The material cost of modifier was reduced by 10%~20%, which had obvious price advantage. Compared with cement, Environmental damage was not caused to the surrounding farmland. With the traditional cement curing agent application process, it had the advantage of no additional construction cost. Meanwhile, the improvement effect of modifier 2# on the bearing capacity of roadbed and elastic modulus of solidified soil layer was obviously better than that of P.F 32.5 cement.

 Keywords: industrial waste residue; modifier; stabilized soil; CBR; unconfined strength

 

?基金項目： 河南省交通運輸廳科技項目項目  (2021J9) 。

作者簡介： 趙文波  ( 1972—) , 男 ，高級工程師 ，主要從事 土木工程建設管理工作。

收稿日期： 2023-09-26