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Spillway concrete pouring construction scheme Content introduction 2.4 Spillway concrete pouring 2.4.1 Formwork installation ⑴ The combined set shaped steel formwork is used for the formwork of the diversion channel section of the spillway, the bottom plate of the chute and other parts, the formwork is reinforced and supported by steel pipes, the formwork joints are closed by double-sided tape, and the local corners are processed with special small steel formwork. ⑵ Formwork removal and cleaning Steel formwork shall be cleaned and dried before each use -
Dam spillway concrete construction organization scheme The construction of this project will reduce construction interference, change the normal concrete of RCC surface impervious body to abnormal concrete, and the concrete at this part will be paved together with RCC. After paving, add cement slurry to the surface concrete within the design line, and vibrate it to change it into normal concrete. -
Concrete construction scheme for spillway of reservoir dam The spillway of Songbang 4 Dam is located between EJ6-EJ11, the middle dam section of the dam. It is a 6-hole radial gate structure. The distance between each hole is 12m, the width of the gate piers on both sides is 2.5m, and the width of the middle pier wall is 3m. Two door hangars and one control room are arranged on both sides of the spillway. The top elevation of spillway overflow surface is EL210.5, and the top elevation of gate pier is EL229.0m -
Concrete construction scheme for spillway of reservoir dam Introduction: The construction period of the spillway is in the construction period of the roller compacted concrete on the left and right sides of the dam. Due to good coordination and safety protection, the construction of the adjacent working faces will not be disturbed up and down. At the same time, the construction road and warehousing method shall be reasonably planned to avoid interference with roller compacted concrete and delay of spillway construction. The longitudinal joint of spillway is divided according to the dam structure joint, and is divided in the transverse direction -
Spillway concrete pouring construction scheme Content introduction 2.4 Spillway concrete pouring 2.4.1 Formwork installation ⑴ The combined set shaped steel formwork is used for the formwork of the diversion channel section of the spillway, the bottom plate of the chute and other parts, the formwork is reinforced and supported by steel pipes, the formwork joints are closed by double-sided tape, and the local corners are processed with special small steel formwork. ⑵ Formwork removal and cleaning Steel formwork shall be cleaned and dried before each use -
Concrete construction design scheme of dam spillway The RCC concrete in this project is transported by dump trucks directly from the mixing plant to the construction site. The warehouse surface is equipped with 8 BW-202AD and DD-110 vibratory rollers, and 6 bulldozers of different models. The construction is carried out by static pressing for 2 times, followed by vibratory rolling for 8 times. -
Spillway concrete construction and stonework backfill organization scheme According to the design drawing, the slope concrete of spillway is mainly distributed at different elevations of SPO+375~0+425, with the lowest elevation of EL809.0m; The highest is EL944.8m. The total concrete volume is 16870 m3 (including 1450 m3 of frame concrete). -
Spillway concrete construction scheme (18 pages, clear) The spillway is arranged on the right shoulder of the dam site area, which is an open spillway. The spillway is composed of five parts: side channel section, adjustment section, chute section, flip flow section, and downstream apron section. The check flood discharge flow Amax=123.51 m3/s, and the design flood discharge flow Amax=81.38m3/s. The weir crest elevation is 1164.45m and the total length is 310m. side -
Construction Scheme for Concrete Works of Dam Spillway Content introduction 3.3.5.2 The construction sequence of the spillway of the concrete warehousing monolith dam section is as follows: overflow weir foundation and upstream pier (EL202-208) → overflow surface surface and pier (EL197.3-210.5) → pier → downstream straight section of the overflow surface (EL181-185) → reverse arc section of the overflow surface (EL181-200.2 -
Construction Scheme for Concrete Works of Dam Spillway Content introduction 3.3.5.2 The construction sequence of the spillway of the concrete warehousing monolith dam section is as follows: overflow weir foundation and upstream pier (EL202-208) → overflow surface surface and pier (EL197.3-210.5) → pier → downstream straight section of the overflow surface (EL181-185) → reverse arc section of the overflow surface (EL181-200.2 -
Concrete construction scheme for spillway gate bottom plate and pier Content introduction 3. Concrete crack control measures In order to ensure the quality and appearance of the project and prevent concrete cracks, the pouring and warehousing temperature of mass concrete should be controlled within 18 ℃. The following measures are mainly taken: 1) First, control the pouring time of mass concrete in the construction progress, avoid the construction of mass concrete in high temperature seasons, and the pouring time is based on the actual construction situation -
Concrete construction and stonework backfilling scheme for spillway of hydro junction dam project Concrete construction of spillway includes diversion wall (diffusion section), canal head works, discharge chute, flip bucket, spillway frame slope concrete and other work items -
[Zipingpu] Construction Scheme for Concrete and Stone Backfilling of Spillway of Water Control Project This data is the construction plan for concrete and rock backfilling of spillway of [Zipingpu] Water Control Project, 24 pages in total, in the form of word. Project overview: spillway concrete construction includes diversion wall (diffusion section), canal head works, discharge chute, flip bucket, spillway frame slope concrete and other work items. The concrete pouring process of spillway shall be continuous on the corresponding working face -
[Zipingpu] Construction Scheme for Concrete and Stone Backfilling of Spillway of Water Control Project Project overview: spillway concrete construction includes diversion wall (diffusion section), canal head works, discharge chute, flip bucket, spillway frame slope concrete and other work items. The concrete pouring process of the spillway shall be carried out after the construction of the diaphragm wall, cast-in-place pile and foundation treatment of the corresponding working face is completed; The slope concrete shall be carried out after the corresponding excavation face is handed over. Flood overflow -
[Zipingpu] Construction Scheme for Concrete and Stone Backfilling of Spillway of Water Control Project Project overview: spillway concrete construction includes diversion wall (diffusion section), canal head works, discharge chute, flip bucket, spillway frame slope concrete and other work items. The concrete pouring process of the spillway shall be carried out after the construction of the diaphragm wall, cast-in-place pile and foundation treatment of the corresponding working face is completed; The slope concrete shall be carried out after the corresponding excavation face is handed over. Flood overflow -
Construction scheme for consolidation grouting of spillway Content introduction 6.5. Grouting: (1) Grouting method: consolidation grouting hole depth of flip bucket section is 8m, which is carried out in two steps; The method of grouting from outside to inside, orifice sealing and subsection circulation grouting is adopted. The section length is divided into 3m and 5m, and the distance between the grouting pipe and the hole bottom is not more than 50cm. (See the technical requirements for details) (2) Grouting machine: 3SNS medium pressure mud pump is used for grouting -
Construction scheme and technology of dam spillway The dam access tunnel and spillway access tunnel of Nuozhadu Power Plant include 1 #, 2 #, 3 #, 4 #, 5 #, 6 #, 7 # access tunnels of the dam and 1 #, 2 #, 3 # access tunnels of the spillway, which are mainly used as the traffic channels of the curtain grouting gallery in the hub area. -
Concrete construction of dam spillway The spillway of Songbang 4 Dam is located between EJ6-EJ11, the middle dam section of the dam. It is a 6-hole radial gate structure. The distance between each hole is 12m, the width of the gate piers on both sides is 2.5m, and the width of the middle pier wall is 3m. Two door hangars and one control room are arranged on both sides of the spillway. The top elevation of spillway overflow surface is EL210.5, and the top elevation of gate pier is EL229.0m -
Construction scheme for prestressed anchor cable of spillway Content introduction 4.4.3 The control of tensioning tonnage is based on the readings of jack oil pressure gauge (stress control), supplemented by the verification of elongation value, and takes into account the observation value of dynamometer. The allowable deviation between the measured elongation value of anchor cable tensioning and the theoretical elongation value is ± 6%. If the value is exceeded, the machine shall be stopped for inspection. The tensioning can be resumed only after the causes are found out and corresponding measures are taken. -
Construction Scheme of Spillway Cofferdam Project Content introduction 3.3.3 Transportation of earth materials Filling earth materials, uniform clay materials excavated from the spillway or earth materials piled in the 1 # stacking site are used as backfill materials, and the earth materials are transported by Dongfanghong scraper or excavator loaded with 15t dump truck according to the actual situation. During filling, Dongfanghong scraper shall be used to fill with soil circularly, and when one layer is paved, it shall be leveled with scraper; Dump truck enters the work directly -
Spillway and process construction scheme of a dam The sediment at the bottom of the drainage ditch in the access tunnel of this project shall be cleaned in a centralized manner, and then the attachments in the ditch shall be chiseled off in sections. The sludge, mortar, concrete blocks and other debris after cleaning shall be transported by agricultural dump trucks or trolleys to the outside of the portal for centralized stacking. -
Construction Scheme for Subproject of Spillway Reinforcement The dam is located in Longneitun, Xiancao Village, Xin'an Town, Pingguo County, at the upstream of Xiancaoxi, a secondary tributary of Youjiang River, 3.5km away from the government residence of Xin'an Town, 14km away from Pingguo County, with a rainwater collection area of 1.36km2, a total storage capacity of 299000m3, a normal pool level of 266.1m, a 20-year return period, a corresponding flood level of 266.57m, and a flood of 200 -
Construction Scheme for Installation of Spillway Traffic Bridge Slab Content introduction 2.4. Installation method of overhaul bridge 2.4.1. Before the installation of overhaul bridge, use steel ruler to snap the positioning line of the beam with ink box on the top and side of both ends of the beam and the top of the pier according to the size of the design drawing; 2.4.2 Lay a wooden track board at the position of the beam to be lifted, and place a φ 50 steel pipe under the self-made concave carriage; 2.4.3 -
Spillway construction scheme of reservoir risk removal project Content introduction 3.2 Foundation concrete pouring According to the requirements of the construction drawings, the foundation of the traffic bridge is poured with C30 steel concrete. When pouring concrete, it is mixed in the mixing station and transported to the working face by 1m3 concrete transport trucks. QY15 truck crane is equipped with 1m3 bucket for warehousing, and is paved manually. ZX-50 immersion vibrator and ZB2.2 plate vibrator are used for vibration -
Spillway concrete construction and stonework backfilling This data covers the concrete construction and stonework backfilling of the spillway. The concrete construction of the spillway includes diversion wall (diffusion section), canal head works, discharge chute, flip bucket, spillway frame slope concrete and other work items. -
Construction Scheme for Installation of Spillway Traffic Bridge Slab Content introduction 2.4. Installation method of overhaul bridge 2.4.1. Before the installation of overhaul bridge, use steel ruler to snap the positioning line of the beam with ink box on the top and side of both ends of the beam and the top of the pier according to the size of the design drawing; 2.4.2 Lay a wooden track board at the position of the beam to be lifted, and place a φ 50 steel pipe under the self-made concave carriage; 2.4.3 -
Dam spillway construction scheme and process construction scheme Before the construction, the conditions in the tunnel shall be carefully checked. During the check, the specific location where concrete shotcrete anchor or lining is required shall be identified. According to the check results, a feasible special measure plan shall be formulated and submitted to the relevant departments of Nuozhadu Power Plant for approval, so as to prepare for the shotcrete construction in the tunnel in advance. -
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. -
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 -
Concrete construction scheme of a project Concrete construction scheme of a project Concrete construction scheme of a project Concrete construction scheme of a project -
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 -
6 - Concrete construction scheme 708 This document is a factory's 6-concrete construction scheme 708, which is detailed and can be used for reference. Topic: Concrete construction scheme -
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 -
Construction Design Scheme of Nuozhadu Spillway Spillway gate chamber section Spillway gate chamber section includes spillway 0-010.000~0+050.810, with a length of 60.81m, an excavation top elevation of about 872m, a floor elevation of 772.0~769.5m, and a bottom width of 180.5m. Each 15m of the slope is provided with a catwalk, and the excavation slope ratio is 1:1.4~1:0.5. Concrete top elevation of sluice chamber section 8 -
Spillway concrete construction and stonework backfilling b 2. The construction is divided into two sections (4 blocks) upstream and downstream in layers and blocks, that is, SP0-040.5~SP0-006.5 is a section (1 block on the left and right respectively), SP0-006.5~SP0+028 is a section (1 block on the left and right respectively), the center is an overflow weir, and the vertical layering is 3~6m. From the bottom plate to the top of the side wall, there are 4~6 layers in total, with a total of pouring blocks -
Spillway construction organization design scheme Spillway construction organization design scheme -
Construction organization scheme for spillway of reservoir project During the construction, handle the installation of 1 program-controlled telephone to the Project Department at the local township post and telecommunications department, and keep in touch with the Owner and the design department; Managers bring their own mobile phones; In addition, a certain number of interphones shall be equipped to ensure timely transmission of management instructions and smooth internal and external communication. -
Spillway crack, strength and carbonization detection scaffold construction scheme In order to meet the requirements of crack, strength and carbonization detection of gate pier, side pier, breast wall, beam, gate chamber, overflow surface and other parts related to the spillway, corresponding scaffolding shall be erected. -
Construction organization design scheme of a Nuozhadu spillway This document is the construction organization design scheme of Nuozhadu Spillway. The content is detailed and can be used for reference. -
Construction Organization Design Scheme of Nuozhadu Spillway This data is the construction organization design scheme of Nuozhadu Spillway, which is detailed and can be used for reference.
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one Spillway reinforcement construction scheme -
two Special construction scheme for spillway -
three Spillway safety construction scheme -
four Spillway construction scheme -
five Construction Scheme of Spillgate Project -
six General concrete construction scheme -
seven About concrete construction scheme -
eight Various concrete construction schemes