路基工程施工方案范本.doc

一、 路基工程施工
1、 區段劃分和力量布置
（1）區段劃分。擬成立兩個路基施工連隊，路基一連負責324+000-325+500段，全長1.5km，路基挖方總量      立方米，填方總量      立方米。路基二連負責K324+000~K321+500段全長2.5km，填方總量度      立方米，全部為借土。
（2）力量布署
詳見《投入本工程的人員數量表》和《擬投入本合同工程的主要施工機械設備表》。
2、 土方調配方案
本合同段挖方面     m3，填方面     m3。填缺部分從323+000處借土，運距2-3km。為合理利用和借方，節約工程費用縮短工期，制訂了土方調配方案，詳見《路基土方調配示意圖》。中標后我部在不影響設計要求的基礎上，組織有關人員進一步現場測量調查，做好以下幾項具體工作：
（1） 重新復核土石方數量；
（2） 對不符合填方填料質量要求的利用方予以廢棄；
（3） 將土的壓縮率通過試驗計算調整；
（4） 調查相鄰施工單位有無棄方可取填以保證進度。
3、 路基開挖、填筑施工方案要點
1） 挖土方式
采用綜合式開挖，具體做法是：從上而下分層開挖。橫挖法、分層、分段縱挖法，根據具體情況靈活變動使用。
橫挖法：按挖方地段的一端或兩端按橫斷面全寬逐漸向前開挖。
分層縱挖法：按斷面全寬縱向分層開挖。
分段縱挖法：按挖方每個工點分成幾段再分層縱向開挖。
施工工藝流程和開挖方式詳見附圖。
2） 注意事項
① 在任何情況下，都不得亂挖或超挖，更不得采用baopo法開挖。
② 半填半挖或半山坡斷面挖土，當坡頂到坡腳垂直高度過高，而且寬度小，無法擴寬工作面，轉移和安設挖掘機有困難且不
1, roadbed construction
1, section division and power layout
(1) classified section. Subgrade construction to be set up two companies, foundation row for paragraph 324 +000-325 +500 length of 1.5km, the total cubic meters of foundation excavation, the total cubic meters of fill. Foundation Erlian responsible K324 +000 ~ K321 +500 section full 2.5km, the total degree of cubic meters of fill, all for the use of soil.
(2) forces deployed
See "Input the number of personnel in this project" and the "to be put into the main contract works construction machinery and equipment table."
2 Earthwork programs
Terms of this contract section dug m3, filled side m3. Fill in missing parts from the 323 +000 Department to earth, distance 2-3km. Debit for the rational use and save cost to shorten the duration, developed Earthwork programs, see "Subgrade Earthwork diagram." After winning Division I without affecting the design, based on field measurements were organized to further investigation, do the following specific tasks:
(1) the number of re-review of earth and stone;
(2) do not meet the quality requirements fill filler to be abandoned the use of party;
(3) soil test calculated by adjusting compression ratio;
(4) to investigate whether the adjacent abandoned before construction unit to take to ensure the progress of reclamation.
3, subgrade excavation, embankment construction program elements
1) The excavation method
Integrated excavation, concrete practice: excavation layer from the top down. Horizontal digging method, stratified, sub-vertical excavation method, flexibly change according to the specific use.
Horizontal digging method: by the end of the excavation site or the full width at both ends of the gradual move by cross-section excavation.
Stratified vertical digging method: the full width of vertical stratification by section excavation.
Sub-vertical excavation methods: point by excavation work is divided into paragraphs and then each layer of vertical excavation.
Construction process and the excavation see attached photo.
2) Note
① In any case, are not digging or super-digging, still less excavation by blasting method.
② Cut and Fill or semi-slope section of excavation, when the top to the foot of vertical height is too high, and the width is too small to broaden face, transfer and install without difficulty excavator
 

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