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Construction Scheme for Undrained Sinking of Open Caisson The substructure is designed as an open caisson with a plane size of 31.4 × 43.6m, a bottom elevation of 41.0m, a top elevation of 58.0m, and a total sinking depth of 17.5m. In combination with the geological conditions, the sinking of open caisson is carried out by two methods. The sinking of the upper soft soil layer is carried out by hydraulic machinery to flush and suck mud for drainage, and the lower pebble layer is carried out by grab shovel to grab soil without drainage -
Construction scheme of underwater rock controlled blasting The channel regulation project from XX to XX is one of the key construction projects of XX. The channel project from XX to XX is located in the middle and south of XX. The lower section of XX navigation trunk line of XX water system is an important river section of XX navigation trunk line. -
Technical scheme for first piece construction of underwater cushion cap According to the construction period and the flood season situation in this region, depending on the river bed section, the east side of the river adopts a soil built cofferdam, and the west side adopts a steel plate cofferdam. The top of the soil built cofferdam is 1.0-1.5 meters higher than the river surface, the top width is not less than 3.0 meters, the slope in the dam is not less than 1:1.5, and the distance between the dam head and the slope toe and the edge of the foundation pit is not less than 5.0 meters. If the site environment permits, try to stay away from the foundation pit. Is minus -
Construction scheme of large volume underwater cushion cap Construction scheme of large volume underwater cushion cap -
Construction scheme of underwater riprap toe protection for flood control works Content introduction 6. Positioning of positioning ship (1) Three 1000t steel positioning ships with professional operators are selected for the positioning ship. (2) The selection of anchor and cable of positioning ship makes the positioning of positioning ship accurate and firm. First, appropriate anchorage and cable must be selected. 1) Selection of anchorage: 1000 kg anchor shall be selected for upstream anchor and 1000 kg anchor shall be selected for downstream anchor -
Construction Scheme for Underwater Concrete Pouring of Bored Pile 121 bored piles (Φ 800, pile length 70.62m) are used for the pile foundation project of Plaza 6, and 176 bored piles (Φ 700, pile length 13.50m) are used for the enclosure as the water stop curtain. The number of bored piles is large, the pile body is long, and the quality of construction is directly related to the quality of pile foundation and enclosure works, as well as the whole project -
Construction organization design scheme of large open caisson sinking without drainage The deviation can be corrected by injecting pressure water outside the wall of the well at the side where the sinking is slower and impacting the mud to reduce the mud resistance and accelerate the sinking of the open caisson at the higher side. When the deviation correction is close to the normal position, stop water jetting, and fill the gap between the outer wall of the caisson and the soil with fine soil or sand -
Expert demonstration version of special construction scheme for underwater operation Expert argumentation version of special construction scheme for water and underwater operations (1). doc Expert argumentation version of special construction scheme for water and underwater operations (1). doc Expert argumentation version of special construction scheme for water and underwater operations (1). doc -
Construction scheme for underwater earthwork excavation of downstream approach channel, navigation and berthing structures Shaobo Ship Lock is located in Shaobo Town, 23 kilometers northeast of Yangzhou City. The third line ship lock is located in the west of the second line ship lock. The center distance between the two locks is 90 m. This construction scheme is for underwater earthwork excavation of downstream approach channel and navigation, berthing structures. -
Technical Scheme for Concrete Caisson Heightening and Undrained Sinking of North Anchorage of Taizhou Yangtze River Bridge Technical Scheme for Concrete Caisson Heightening and Undrained Sinking of North Anchorage of Taizhou Yangtze River Bridge -
Construction Scheme of Underwater Ballast Throw in for Zhangjiagang Old Sea Dam Node Comprehensive Treatment Phase I Project Lot I Project overview: the main project consists of two parts: reinforcement and regulation works required for the overall anti sliding stability of embankment and bank slope, and smooth bank protection and regulation works required to maintain the stability requirements of the current bank slope and anti scouring requirements of the wharf apron. The main construction content of this bid section is: riprap protection and riprap ballasting at the apron of Haili No. 5 and No. 4 wharves, with a riprap volume of about 440000 m3. Laohaiba node comprehensive treatment project -
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Concrete construction scheme of a hospital This paper is a concrete construction scheme of a hospital, which explains the construction scheme of the reconstruction project in detail from the aspects of project overview, construction deployment, construction preparation, main construction methods and measures, quality requirements, and precautions. -
Discussion on construction scheme of tower crane Compared with other lifting equipment, tower crane has the performance advantages of high lifting height and large working range. This performance advantage meets the requirements of high-rise building construction for lifting equipment, making tower crane one of the indispensable construction machinery for modern high-rise building construction. However, the deployment, installation, use and maintenance, and removal of high-rise tower cranes require extremely high safety technology management -
Construction scheme and quotation of large steel formwork The construction method of large steel formwork and the quotation in 2011 are introduced in detail. -
High formwork construction scheme of a middle school Part of the construction overview of the middle school The total construction area of the middle school is 17900, of which the area of the semi basement is 7596, and the height of the five floors above the ground is 21; The basement floor height is 6.5m, the standard floor height is 4.2m, and the maximum local height is 12.2m; The main plate thicknesses are,,,, and the maximum size of the beam section is 800 × 1800, and the maximum size of the column interface is 1200 × 1500 -
Construction scheme of small steel formwork and large steel formwork Project content Building function Residential building Construction area Total construction area 22651.64 ㎡ Number of building floors Two underground floors Twenty eight floors above ground eaves height (H) 81.65m Structure form Foundation form Raft foundation, main structure form Shear wall structure Concrete strength -
Construction scheme of high formwork _secret According to the specification, the concrete formwork support system for horizontal members with a height of more than 8 m, a span of more than 18 m, or a total construction load of more than 15 KN/m2, or a concentrated linear load of more than 15 KN/m is a tall formwork system, which needs to be demonstrated by experts before construction. (Guide for Construction Safety Supervision and Management of Tall Formwork Support System in Construction Engineering - Construction -
Construction scheme of main tower rigid skeleton This document is the construction scheme for the rigid skeleton of the main tower. The content is detailed for reference. -
Formwork construction scheme 20140905155716 This data is the formwork construction scheme 20140905155716, which is detailed and can be used for reference. Topic: Formwork construction scheme -
Formwork construction scheme 20140905155720 This document is the template construction scheme 20140905155720, which is detailed and can be used for reference. Topic: Formwork construction scheme -
Design and construction scheme of a cofferdam Suwalong Hydropower Station is located on the boundary river between Batang County in Sichuan and Mangkang County in Tibet in the upper reaches of the Jinsha River. It is the 10th stage of 13 cascade hydropower stations planned for the upper reaches of the Jinsha River. The upper reaches are Batang cascade and the lower reaches are Changbo cascade. The dam site is about 79km away from the upstream Batang County and 159km away from the downstream Derong County; It is 860km away from Chengdu and 909km away from Kunming, -
Analysis on construction scheme of tower crane The xx center project is located in the south of xx, Haidian District, Beijing, and is contracted by xx Group. The cornice of the project building is 65.4 meters high. In order to complete the task of vertical lifting, three tower cranes must be installed on site, namely, 1 # H3/36B, 2 # H3/36B -
Analysis on formwork construction scheme This project is located in the east of the south section of Qishan Road, Luohe City. One floor underground and eight floors above the ground. The basement is a equipment room, the first floor is a shop, the second floor is a lounge, and the third to eighth floors are office rooms; The structure form of basement building is frame shear wall structure, and the main structure form above ground is frame structure; Building base area is 794m2 -
Analysis on concrete construction scheme The concrete of this project is premixed concrete, mainly pumped. The basement part adopts automobile pump, and the high-rise uses concrete delivery pump and placing boom to transport concrete to the concrete pouring surface. The slump of concrete should be controlled at 16 ± 2cm. The initial setting time of concrete is 6 hours, the final setting time is 8 hours, and the initial setting time of bottom plate concrete is 8 hours, and the final setting time is -
About the construction scheme of a pump station This document is about the construction scheme of a pump station. The contents of the document are detailed and the data are available for reference. -
About the construction scheme of street lighting This document is the construction plan for street lighting. The content of the document is detailed and the data content can be used for reference. The following process is adopted in the construction: fixed lamp position → trenching → pipe burying → pouring street lamp foundation → laying cable → insulation test → street lamp installation → electrical equipment installation → experiment and commissioning → self inspection → completion acceptance -
About the construction scheme of unit curtain wall This document is about the construction scheme of unit curtain wall. The contents of the document are detailed and the data are available for reference. -
Analysis on temporary power construction scheme This material is an analysis of temporary power construction scheme, which contains complete and detailed contents, and can be downloaded by designers for reference. -
Construction scheme of a 1-unit curtain wall The construction organization design scheme of a 1-unit curtain wall, with detailed description, is available for reference and download. -
Construction scheme of stone like paint for an external wall 1. The quality of external wall thermal insulation flatness shall meet the national standard (± 4mm below 2m guiding rule), and the scaffold hole shall be repaired and leveled; 2. Check whether the insulation wall is solid and firm, whether there is sanding, cracks, looseness, whether the grid cloth is completely covered by the plaster layer, whether the wall is flat, whether there is swelling, etc. 3. Check whether the wall is dry and meets the construction requirements -
Complete list of various construction schemes on site Very comprehensive construction scheme. Basically, there are all kinds of projects, only those you can't think of, not those I don't have Topic: Site construction scheme -
Analysis of concrete construction scheme For the 6 # internal mixing workshop project, this project is a multi-storey and bent building with a floor height of 7.2 meters, of which the interlayer between the 8 and 9 axes is 3.9 meters high, the second floor is 6.8 meters high, the third floor is 4.5 meters high, and the fourth floor is 5.1 meters high. The bent part belongs to cast-in-place cup mouth, and with the corbel column, it is equipped with two overhead cranes, the south span is a 10 t overhead crane, and the north span is a 20 t overhead crane -
Construction scheme of a small spacing tunnel The inlet and outlet wall rocks are mainly loose low liquid limit clay and strongly weathered mudstone, and the lithology is loose and cataclastic; The surrounding rock in the middle is argillaceous siltstone, mudstone mixed with fine siltstone, which belongs to soft rock. It is slightly affected by the structure. The rock is weakly weathered, with slightly developed fissures - not developed, the rock mass is relatively complete, and some sections are broken, showing block masonry structure and block stone mosaic structure. -
Construction scheme of a high-pressure jet grouting pile This data is the construction scheme of a high-pressure rotary jet grouting pile, which is valuable and detailed for reference. -
Various arch bridge construction schemes and other data Nanjing Jiangbei Riverside Highway (Liuhe Section) starts from Huazihe, Liuhe District, Nanjing, and ends at the junction of Donggou Town Dongfang Niushan North and Yangzhou Jiangbei Riverside Highway, with a total length of 16.59 kilometers. This project is to meet the need of the province's strategic measures to accelerate the development of North Jiangsu along the Yangtze River, improve the regional road network, construct the Nanjing industrial belt along the Yangtze River, and accelerate the development of North Jiangsu along the Yangtze River -
Construction scheme of a concrete road Asphalt concrete pavement construction scheme Asphalt concrete pavement construction scheme The main line pavement surface of the contract section is designed to be 7cm thick grained asphalt concrete, 5cm medium grained asphalt concrete, and 4cm medium grained asphalt concrete. Plant mixing method of asphalt concrete mixing equipment is used for mixing, asphalt concrete paver is used for paving, and 14t double drum vibratory roller and wheel are used -
Large formwork construction scheme of a project Large formwork construction scheme of a project Large formwork construction scheme of a project Large formwork construction scheme of a project
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one Underwater earthwork construction scheme -
two Underwater concrete construction scheme -
three Construction scheme of underwater buildings -
four Construction Scheme of Bridge Underwater Blasting -
five Bridge underwater foundation construction scheme -
six Underwater concrete construction scheme -
seven Earthwork construction scheme for underwater construction -
eight Method statement for underwater earthwork excavation