
DBJ/T 15-152-2019 备案号 J 14684-2019
建筑地基基础施工规范
Code for construction of building foundation (预览版)
2019-05-20 发布
2019-09-01 实施
前言
根据粤建科函(2014) 1797号文的要求,规范编制组经广泛调査研究,认真总结实践经验,参 考有关国内外标准,并在广泛征求意见的基础上,编制本规范。
本规范共分34章,主要技术内容是:总则、术语、基本規定、天然地基、换填法、预压法、强 夯法、注浆法、振冲密实法、散体材料桩、高压旋喷桩桩、水泥土搅拌桩、水泥粉煤灰碎石桩、混 凝土预制桩、泥浆护壁成孔灌注桩、长螺旋钻孔压灌桩、干作业成孔灌注桩、钢桩、基础锚杆、复 合地基褥垫层、承台、浅基础、筏形与箱形基础、地下连续埼、咬合桩埼、型钢水泥土搅拌埼、水 泥土重力式挡埼、内支撑、支护锚杆、土钉埼、挡土埼、逆作法、沉井、基坑土石方工程。
目 次
1 总则.................................................................................................................................................................. (1)
2 术语和符号...................................................................................................................................................... (2)
3 基本规定.......................................................................................................................................................... (4)
4 天然地基.......................................................................................................................................................... (6)
4.1 一般规定................................................................................................................................................... (6)
4.2 施工过程控制........................................................................................................................................... (6)
(Ⅰ) 土体地基........................................................................................................................................(6)
(Ⅱ) 岩石地基........................................................................................................................................(6)
5 换填法.............................................................................................................................................................. (7)
5.1 一般规定................................................................................................................................................... (7)
5.2 施工设备与材料....................................................................................................................................... (7)
5.3 施工过程控制........................................................................................................................................... (7)
6 预压法............................................................................................................................................................ (10)
6.1 一般规定................................................................................................................................................. (10)
6.2 施工设备与材料..................................................................................................................................... (10)
6.3 施工过程控制......................................................................................................................................... (10)
(Ⅰ) 排水系统........................................................................................................................................... (10)
(Ⅱ) 堆载预压........................................................................................................................................... (11)
(Ⅲ) 真空预压........................................................................................................................................... (12)
(Ⅳ) 真空联合堆载预压........................................................................................................................... (14)
7 强夯法............................................................................................................................................................ (17)
7.1 一般规定................................................................................................................................................. (17)
7.2 施工设备与材料..................................................................................................................................... (17)
7.3 施工过程控制......................................................................................................................................... (18)
(Ⅰ) 常规强夯法..................................................................................................................................(19)
(Ⅱ) 强夯置换法..................................................................................................................................(20)
(Ⅲ) 动力排水固结..............................................................................................................................(22)
8 注浆法............................................................................................................................................................ (24)
8.1 一般规定................................................................................................................................................. (24)
8.2 施工设备与材料..................................................................................................................................... (24)
8.3 施工过程控制......................................................................................................................................... (25)
9 振冲密实法.................................................................................................................................................... (29)
9.1 一般规定................................................................................................................................................. (29)
9.2 施工设备与材料..................................................................................................................................... (29)
9.3 施工过程控制......................................................................................................................................... (29)
10 散体材料桩.................................................................................................................................................. (31)
10.1 一般规定............................................................................................................................................... (31)
10.2 施工设备与材料................................................................................................................................... (31)
10.3 施工过程控制....................................................................................................................................... (31)
(Ⅰ) 沉管法............................................................................................................................................... (31)
(Ⅱ) 振冲法............................................................................................................................................... (32)
11 高压旋喷桩.................................................................................................................................................. (35)
11.1 一般规定............................................................................................................................................... (35)
11.2 施工设备及材料................................................................................................................................... (35)
11.3 施工过程控制....................................................................................................................................... (36)
12 水泥土搅拌桩.............................................................................................................................................. (42)
12.1 一般规定............................................................................................................................................... (42)
12.2 施工设备与材料................................................................................................................................... (42)
12.3 施工过程控制....................................................................................................................................... (42)
13 水泥粉煤灰碎石桩...................................................................................................................................... (45)
13.1 一般规定............................................................................................................................................... (45)
13.2 施工设备与材料................................................................................................................................... (45)
13.3 施工过程控制....................................................................................................................................... (45)
14 混凝土预制桩.............................................................................................................................................. (47)
14.1 一般规定............................................................................................................................................... (47)
14.2 施工设备与材料................................................................................................................................... (48)
14.3 堆放和取桩........................................................................................................................................... (49)
14.4 施工过程控制....................................................................................................................................... (50)
(Ⅰ) 锤击法沉桩..................................................................................................................................(53)
(Ⅱ) 静压法沉桩..................................................................................................................................(53)
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