-
Special construction scheme for special subgrade treatment This project is the third section of xx xx expressway (xx xx section). The total length of the route is 10.7km, and the starting and ending stakes are K30+109.5 ～ K40+817.951 (left line LK37+865 ～ LK40+815.728). The quantities of this part mainly include: 1.42 million cubic meters of subgrade excavation and 680000 cubic meters of filling -
1. Special construction scheme for special subgrade treatment of Chongqing Road 1. Special Construction Scheme for Chongqing Road Special Subgrade Treatment of Chongzhou Sanlang Municipal Project -
Special construction scheme of cement mixing pile for special subgrade soft foundation treatment The total length of TJ7 section of Chengdu Ziyang Chongqing Expressway is 17.02km, starting at K146+500 and ending at K163+502. The total length of Longtai Interchange connecting line is 7km. There are two interchanges on the main line, including one hub interchange (Neisui hub) and one landing interchange (Longtai interchange). 6 major bridges, 4 medium bridges and 5 ramp bridges; 1 service area (Anyue -
Special construction scheme for special subgrade treatment of expressway (riprap compacted plastic drainage board) This project is the third section of xx xx expressway (xx xx section). The total length of the route is 10.7km, and the starting and ending stakes are K30+109.5 ～ K40+817.951 (left line LK37+865 ～ LK40+815.728). The quantities of this part mainly include: 1.42 million cubic meters of subgrade excavation and 680000 cubic meters of filling -
Special construction scheme for special subgrade treatment of expressway (riprap compacted plastic drainage board) This project is the third section of xx xx expressway (xx xx section). The total length of the route is 10.7km, and the starting and ending stakes are K30+109.5 ～ K40+817.951 (left line LK37+865 ～ LK40+815.728). The quantities of this part mainly include: 1.42 million cubic meters of subgrade excavation and 680000 cubic meters of filling -
Construction Scheme for Special Subgrade Treatment In the construction scheme for special subgrade treatment, in order to reduce subgrade settlement, ensure subgrade compactness and ensure project construction quality, for road sections, the subgrade base shall be cleaned and filled with crushed stone slag of certain thickness before dynamic compaction. The construction process of dynamic compaction is as follows: the hammer with a single click tamping energy of 2000KN. m is used to tamp twice, and the total number of tamping blows at each tamping point is not less than 10, meeting the design requirements -
Special construction scheme for subgrade soft foundation treatment Zunyi North Ring Expressway (Mengziqiao Leli Section) is an important part of Zunyi Ring Expressway in Guizhou Provincial Expressway Network Planning, and is the connecting line project of Lanhai Expressway and Hangzhou Ruili Expressway in Zunyi City, the national expressway network. It will improve the regional road network, form Zunyi traffic hub, and expand the development space of Zunyi downtown, Accelerate regional urbanization and industry -
Construction Scheme for Special Subgrade Treatment This contract is the second contract section, with a total length of 12.6km from K48+000 to K60+600. Main design technical indicators: highway grade: two-way four lane first-class highway; Design running speed: 80km/h; Subgrade width: integral 24.5m; The maximum longitudinal slope is 5%; The maximum superelevation of horizontal curve is 8%; Design load: highway - Class I; -
Special construction scheme for subgrade soft foundation treatment Zunyi North Ring Expressway (Mengziqiao Leli Section) is an important part of Zunyi Ring Expressway in Guizhou Provincial Expressway Network Planning, and is the connecting line project of Lanhai Expressway and Hangzhou Ruili Expressway in Zunyi City, the national expressway network. It will improve the regional road network, form Zunyi traffic hub, and expand the development space of Zunyi downtown, Accelerate regional urbanization and industry -
Special construction scheme for foundation treatment of a special school CFG pile diameter of this project is 0.4m, pile length ≥ 11m, and pile spacing is 1.3-1.5m; The slump of C25 concrete is 160~200mm when the long spiral drill is used as the construction machinery and the pipe pumped concrete is used to form piles. -
Special construction scheme for excavated subgrade Note: This is a special construction scheme for excavated subgrade. Soil cutting excavation 2. Safety assurance measures for stone cutting excavation -
Special construction scheme for soft foundation treatment This paper introduces the concrete scheme of the construction of powder jet pile and drainage board to reduce the subgrade settlement in the construction scheme. -
Special construction scheme for embankment foundation treatment The special construction scheme for embankment foundation treatment is to remove the obstacles within the red line, remove the unqualified soil, sundries, sludge on the surface, and drain the original surface water. Before removing the sludge, the depth and nature of the sludge shall be explored, and safety technical measures shall be taken. The depth of foundation clearing shall not be less than 0.3m, and the removed spoil, sundries, waste residue, etc. shall be transported to the designated site for stacking. The topsoil of the existing embankment must be removed -
Construction method of special subgrade treatment This data is the construction method of special subgrade treatment, including the preparation basis, project overview, main construction technical scheme, etc., with accurate design and detailed content, which can be downloaded for reference by netizens. -
Special construction scheme for karst cave treatment The starting and ending mileage of the tunnel project between Nanguanling Town Station and Nanguanling Station of Dalian Metro Phase I Project is DK39+493.801 ～ DK40+951.924, with a total length of 1458.813 meters. The main construction task of Lot 204 is DK40+093.801-DK40+951.024, with a total length of 857.2 -
Construction scheme for special foundation treatment There are five pond foundations in K1+460-K3+931.9 section, of which two ponds are all within the scope of the subgrade, and the other three ponds are partially within the pond. The design adopts dredging and replacement of stone ballast and river sand. The dredging depth is 1.5m in four ponds and 5.0m in one. The stone ballast is replaced to the original ground, and the river sand is 0.8m thick on the stone ballast. -
Special construction scheme for subgrade safety This data is a special construction plan for subgrade safety, which is detailed and can be used for reference. -
Special construction scheme for pile foundation treatment This project includes 6 prison buildings, 1 confinement room and kennel, 1 hospital and the enclosure of the supervision area; The objects of the second survey are education and learning rooms, command center and standby rooms, family meeting building, AB door, registration room, passageway, guard room, supervision area and administrative area walls. The total aboveground building area is 34854.4m2, the building floor area is 9859.3m2, and the underground -
Special construction scheme for high slope of subgrade The road network project of Jingdezhen New Area is located in the north of Jingdezhen Ceramic Culture and Creativity New Area. It is a road network connecting the administrative center area and residential areas in the planning, mainly serving the internal and external transportation links of the Ceramic Culture and Creativity New Area, and undertaking the important function of external links. -
Construction Scheme for Soft Soil Subgrade Treatment The soft soil subgrade in this contract section is mainly treated by desilting and replacement. The main quantities are: 179000m3 of silt excavation, 85490m3 of crushed stone replacement and 90225m3 of rock ballast. -
Special construction scheme for subgrade test section The starting point of this section is K1+700 and the ending point is K4+330, with a total mileage of 2.63 km. The quantities of subgrade earthwork in this section are 350000 cubic meters, 300000 cubic meters of excavation, and 50000 cubic meters of backfill. -
Special construction scheme for dynamic compaction foundation of special foundation treatment The xxx Nature Reserve in Wuyi New Area involves some towns and villages in Guangze County and Shaowu City, with a total land area of 4132 square kilometers. Nanlin District is the core area and key construction area of Wuyi New Area, and is its political, economic and cultural center. Focus on the development of modern service functions such as administrative office, residential integration and commercial finance. The starting point of Weiyi Road construction is K-0-285 -
Construction Scheme of Hydraulic Tamping Treatment for Special Subgrade of Expressway The special subgrade of this contract section includes collapsible loess, cave, apple kiln and water cellar. There are 36 sections of collapsible loess requiring special treatment, including 35 sections of subgrade replacement treatment, with a treatment depth of 1-2 meters. One section of lime soil compaction pile is treated with a depth of 6m. 33 caves, 12 apple cellars and 3 water cellars are all treated with hydraulic rammers. -
Construction Scheme of Soft Special Subgrade Treatment by Replacement Method Catalog I Project Overview 2. Main construction methods 3 2.1 Surveying and setting out -
Special construction scheme for a formwork The total construction area is about 44370 square meters -
Construction treatment scheme for special soil subgrade Definitions, hazards and treatment measures of soft soil subgrade, expansive soil subgrade, collapsible loess subgrade, frozen soil subgrade, etc. -
Special construction scheme for foundation pit slope collapse treatment The xx building of the second phase project of xxxx Group General Institute is located in the south of xxx Road. The excavation of the foundation pit (that is, from the original ground elevation to the design elevation) has been partially completed. The elevation of the south foundation pit after leveling is 5.2m. Since the slope top is a concrete road, there are no other buildings within 10m, and the slope is about 1:1.5, shotcrete slope protection has been done. Prepared before original excavation -
Detailed construction scheme for special high-rise of excavated subgrade Earthwork excavation shall be carried out from top to bottom regardless of the amount of excavation work and the depth of excavation. The excavation slope shall be strictly layered. The excavation slope shall be formed at one time, and the excavation shall be protected at one level to prevent landslide and other disasters caused by slope instability. For slopes that may cause landslide and other disasters, reinforcement measures such as anchoring shall be taken first to protect them before the excavation of lower slopes. It is not allowed to excavate randomly or over excavate, or dig holes -
Special construction scheme for subgrade high slope of a project According to the design documents, the earth and stone work of the slope brushing and subgrade excavation works at the north portal of Dashidong Tunnel totals 20828.8 cubic meters. The slope protection gradient is 1:0.5, and the protection forms are pre-stressed anchor lock lattice beam support and 1:1 slope shotcrete mesh support. This section is located in the north of the portal. The existing road is asphalt concrete pavement, with a width of 6m and a shoulder of 1 -
Special construction scheme for subgrade stonework blasting The project starts at stake K61+200, runs southward through Xiaojiafan Village, Wulishan Village, Muchang River, and ends at the south of Youfang Village Group in Huangbaishan Village (at the junction of Henan and Hubei), and ends at stake K73+575.166, with a total length of 12.375km. The main excavation volume of subgrade stonework in this project is 1364285m?. Including K61+200 ～ K67+000 -
Special construction scheme data of subgrade high slope There is a goose shed about 80 meters away from the blasting area. On the left side of the roadbed is a large area of farmland, and on the right side is the mountain of Changtian Village. The nearest three storey house is about 40 meters away from the blasting area. -
Special construction scheme for subgrade earthwork The subgrade in this section is mainly divided into two sections, namely, K47+751.54 ～ K48+375 K48+575～K49+680。 The subgrade starts from Oukeng Village, Shigou Town, Sihui City and ends at Shatangkeng Village, Huangtian Town, Sihui City. -
Special construction scheme for high fill and deep cut subgrade The contract section starts at Doumi Village, Hexi Town, Nanjing County, Zhangzhou City (chainage K101+100) and ends at Zuoping Village, Hexi Town, Nanjing County, Zhangzhou City (chainage K109+230). The total length of the contract section is 8.13km, the maximum filling height is 39.8m, the design speed is 80km/h, and the subgrade width is 19.75m of the whole 4-lane standard construction -
A special construction scheme for concrete crack treatment (Bid I) The West Third Ring Interchange of Nongyu Road is an interchange set at the intersection of West Third Ring Road and Nongyu Road. It is an important traffic conversion node between the two expressways and an important part of the expressway network. The West Third Ring Road is an important section of the Third Ring Road in Zhengzhou City and an important traffic protection shell in the central urban area of Zhengzhou. The Agricultural Road is an urban expressway planned in the urban area of Zhengzhou that runs from east to west -
Special construction scheme for high fill subgrade Construction process, construction scheme and quality assurance measures -
Special construction scheme for foundation treatment CFG pile Mechanical personnel allocation, civilized construction, safety production measures, environmental protection and fire safety measures, and anti overturning preventive measures for large equipment -
Special construction scheme for settlement control of foundation treatment Construction plan, construction schedule, construction methods of main processes, management and assurance measures -
Special construction scheme for special karst cave treatment of bridge pile foundation The proposed XX bridge starts at K153+527.2 and ends at K153+632.8, with a total length of 105.6m. This bridge is located in the integral subgrade section. The left and right bridges of the whole bridge are designed as half width subgrade of 16.75m with a clear distance of 1.0m. The superstructure adopts (5 × 20) m prestressed concrete (post tensioned) split box girder -
Construction scheme of cement mixing pile for subgrade soft soil treatment This data is the construction scheme of cement mixing pile for subgrade soft soil treatment, which is detailed and can be used for reference. -
Special construction scheme for safety of subgrade high slope works This contract section is the third contract section of Hubei Hurong West (Enshi Lichuan) Expressway, the trunk line of Hurong National Highway. The starting point of the route is located in Group 3 of Qinglong Village, connecting with the end point of the contract section, starting from X11 X10, crossing Yuanbao River in the west, Mangzhi Village, crossing the natural gas pipeline K285+000 and Lixian Road in Maqiao Village, and establishing Lichuan Interchange in Chenghuang Village
-
one Special subgrade replacement construction scheme -
two Special construction scheme for special works -
three Special construction scheme for special seasons -
four Construction Scheme for Subgrade Replacement -
five Special construction scheme for subgrade safety -
six Special construction scheme for subgrade excavation -
seven Special construction scheme for subgrade filling -
eight Special construction scheme for subgrade blasting