摘要
本文針對房渣土的工程性質(zhì)及建筑場地的所處環(huán)境、水文地質(zhì)狀況，結(jié)合相關(guān)類似的工程經(jīng)驗(yàn)和目前地基處理的現(xiàn)狀，提出多種地基處理方案；從方案的技術(shù)可行性、對環(huán)境的影響、施工工期、以及工程造價(jià)等多個(gè)方面對擬建北京塞納維拉住宅小區(qū)場地房渣土地基進(jìn)行地基處理方案的優(yōu)選。最終確定采用CFG樁復(fù)合地基方案和沖孔夯擴(kuò)擠密樁復(fù)合地基方案。并根據(jù)工程狀況對CFG樁復(fù)合地基方案和沖孔夯擴(kuò)擠密樁復(fù)合地基方案進(jìn)行了初步設(shè)計(jì)計(jì)算和提出了施工與檢驗(yàn)要求。
關(guān)鍵詞 沖孔夯擴(kuò)擠密樁；地基處理；房渣土；雜填土；CFG樁
The proposed foundation Beijing Senaweila Residential treatment scheme
　　　　　　　　Author Ban Xiaodi
　　　　　　　　Instructor Cai Xiaoguang
Abstract In this paper, the nature of housing and construction projects residue sites and their environment, hydrogeological conditions, combined with engineering experience related to similar treatment and current status of the foundation, put forward a variety of ground treatment programs; from the program's technical feasibility, environmental the impact of construction period, and the project cost and other aspects of the proposed venues Beijing Sainaweila Residential Housing residue foundation of foundation treatment scheme. Ultimately determine the use of CFG pile composite foundation programs and rammed compaction pile composite foundation program. And according to engineering conditions on the CFG pile composite foundation programs and rammed compaction pile composite foundation programs were presented preliminary design calculations and construction and inspection requirements.


Keywords rammed compaction pile; foundation treatment; room muck; miscellaneous fill; CFG pile
目錄
1 前言 1
2 地基處理方案的優(yōu)選 3
3 工程概況 5
3.1 工程與地質(zhì)概況 5
3.1.1 工程概況 5
3.1.2 地質(zhì)狀況 5
3.2 地基處理技術(shù)難度及其要求 6
3.3 放渣土地基的工程性質(zhì)特征 6
4 北京地區(qū)常見的雜填土地基的處理方法 8
5 房渣土地基處理常見的各種方案技術(shù)和經(jīng)濟(jì)比較 10
5.1 房渣土地基處理各種方案比較 10
5.2 各種常用地基處理方案經(jīng)濟(jì)比較 11
5.3 地基處理方案選擇 13
6 沖孔夯擴(kuò)擠密碎石（渣土）樁復(fù)合地基方案設(shè)計(jì) 14
6.1 沖孔夯擴(kuò)擠密樁復(fù)合地基設(shè)計(jì)參數(shù) 14
6.1.1 1#樓夯擴(kuò)擠地基處理方案設(shè)計(jì)參數(shù) 14
6.1.2 3#樓夯擴(kuò)擠地基處理方案設(shè)計(jì)參數(shù) 16
6.2 沖孔夯擴(kuò)擠密樁復(fù)合地基施工方案 19
6.3 夯擴(kuò)擠質(zhì)量檢測 20
7 CFG樁復(fù)合地基方案設(shè)計(jì) 21
7.1 CFG樁復(fù)合地基設(shè)計(jì)參數(shù) 21
7.1.1 2#樓CFG樁地基處理方案設(shè)計(jì)參數(shù) 21
7.1.2 4#樓CFG樁地基處理方案設(shè)計(jì)參數(shù) 23
7.1.3 褥墊層的設(shè)計(jì) 26
7.2 CFG樁復(fù)合地基施工組織設(shè)計(jì)方案 26
7.2.1 CFG樁施工工藝 26
7.2.1 CFG樁施工準(zhǔn)備 27
7.2.1 CFG樁施工技術(shù)方法 27
8 結(jié)論與建議 30
結(jié)束語 32
參考文獻(xiàn) 33