機場南線9號標合同施工便道方案.doc

機場南線9號標合同施工便道方案

一、 工程概況：
機場南線（京承高速公路~東六環路）公路第九號標段為機場南線與東六環路的樞紐立交，主要工程包括南北雙幅的主線橋以及8條匝道橋，標段起止樁號為K16+688.32~K17+969.87，標段全長1.28km。跨越東六環路、李天路、馨港莊園路三條現況道路。合同總造價3.17億元，合同工期18個月。
二、 施工便道規劃
我標段施工便道分為東、西兩部分，兩部分以東六環路分界線，充分利用現況李天路、局部現況馨港莊園路，將施工便道向橋區施工便道范圍內延伸，形成直通施工現場每個部位的施工便道系統，具體施工便道布設詳細后附圖示。整個施工便道初步計算長度為6.7km，在李天路交匯附近設置兩個洗車處，自洗車處至水李天路處設置水泥路面進行過渡。
三、 施工便道結構設計
施工便道下部采用天然砂礫，表面鋪筑石屑，便道寬度不小于6米，保證來往能夠雙向行駛，砂礫結構厚度30~50 cm以保證道路穩定性，表面鋪筑石屑以能夠覆蓋砂礫、保證表面平整為原則。馨港莊園路東側大棚范圍內路面結構以砼路面為主，局部露土部位下部填筑
Airport Southern Line 9 contract of construction of sidewalk program

1, Project Overview:
Airport Southern Line (Chengde expressway ~ East Sixth Ring Road) Lot No. IX of the Airport Highway south line and the hub of East Sixth Ring Road interchange, major projects include the north-south main line of Twin Bridges and eight ramp bridge, beginning and ending Lot Stake for the K16 +688.32 ~ K17 +969.87, tenders length 1.28km. Across East Sixth Ring Road, Tian Road, Manor Road, 3 Xin Hong Kong the status of the road. The total contract cost of 317 million yuan, the contract duration of 18 months.
Second, construction pavement planning
I tenders construction detour into East and West parts of the two parts of the line east of Sixth Ring Road, take full advantage of the current situation Tian Road, the local status of Hope Manor Road, Hong Kong, the construction of pavement construction detour to the bridge area and extend the scope of formed through the construction site of the construction of each part of the system sidewalk, concrete pavement construction drawings show after laying more. Preliminary calculations throughout the construction detour length 6.7km, Tian Road intersection in the vicinity of two car wash Department, from car washing to water Tian Road Department Office of cement pavement transition.
Third, construction of pavement structural design
Lower use of natural gravel pavement construction, surface paving stone chips, pavement width of not less than 6 meters, to ensure two-way traffic to and from, gravel structure 30 ~ 50 cm thick in order to ensure the stability of the road, paving stone chip in to cover the surface of gravel, ensure the smooth surface in principle. Hope Manor Road, east of Hong Kong within the pavement structure in order to shed concrete pavements, filling the lower part of the local exposed soil
 

前往下載