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Construction technology and method of culvert The Qing Huidian • Three Ministries of Work • Dushui Qingli Division: "All workers have embankments, dams, fascines, tunnels, and culverts." Note: "Culverts are of the type of siltation culvert, drainage culvert, and irrigation culvert. The stone is used as the face stone on the wall, the bottom stone on the wall, the capping stone on the top, and the city wall behind the wall. The rest is different from the stone.", Culvert refers to the intersection of highway or railway and ditch -
Construction technology and method of pitched roof The Bid Section I of Area B contracted by the company is a bid section with complex and difficult housing structure in Area B, consisting of ten antique style alternative courtyards and two supermarkets, with a building area of 37000 m2 -
Construction technology and method of steel bar binding Due to the dense reinforcement of the bottom plate, huge volume, and complex joint bars of beams and columns, it is difficult to adjust after survival, so it must be formulated in principle that the ground beam is from top to bottom, the bottom plate is from bottom to top, and the column joint bars are constructed before the iron on the bottom plate, the ground beam reinforcement is constructed first, and the bottom plate reinforcement is constructed later. The binding sequence of hoops and inserted iron should be comprehensively considered to prevent the beam and slab from being bound due to large section size The reinforcement is dense and -
Construction technology of bolt support This paper introduces in detail the technological process and quality inspection of the construction of ordinary mortar anchor bolt and prestressed anchor bolt support for an underground powerhouse in Qinghai, which solves the problems of arch support and construction safety of the underground powerhouse. -
Construction technology of raft foundation Rebar procurement: the procurement of rebar shall strictly assess the supplier and put forward supply requirements, especially for the parts used for longitudinal load-bearing rebar, whose rebar shall meet the mechanical requirements for seismic structures in GB50204-2002 Code for Acceptance of Construction Quality of Concrete Structures on the basis of meeting relevant national standards. -
Consolidation method and construction process summary Consolidation method and construction process summary -
Construction technology of lawn planting belt Lawn planting belt and slope protection planting belt are industrial products formed by planting seeds or other ingredients on the basis of naturally degradable wood pulp fiber paper or non-woven fabric belt according to certain production process and density on professional equipment. -
Construction technology and method of underground diaphragm wall This document is about the construction process and method of underground diaphragm wall, including the preparation basis, project overview, main construction technical scheme, etc. The design is accurate and the content is detailed, which can be downloaded for reference by netizens. -
Construction technology and method of bored pile in a project This paper systematically introduces the construction technology and method of underwater concrete cast-in-place pile in soft stratum, summarizes the causes of common problems in construction and prevention methods... There are 5 super large bridges in the bid section, totaling 9670.87 linear meters, accounting for 44% of the construction mileage of the whole bid section. The 5 super large bridges are designed with pile foundations, with pile diameters of 1.0m and 1.25m, and pile lengths of -
Main construction methods and processes Intercepting ditch construction. Before the excavation of tunnel portal, the intercepting ditch shall be constructed 5 meters away from the excavation slope line of the portal, and the intercepting ditch shall be connected to the subgrade side ditch to prevent the accumulated water on the hillside from washing the excavated slope in rainy season. The intercepting ditch shall be excavated manually and firmly built with 7.5 # mortar rubble (soil in the drawing). Intercepting ditch shall be constructed according to trapezoidal section, with bottom width of 60cm and depth of 60cm. Upper part of intercepting ditch -
Waterproof construction technology of toilet The base course shall be trowelled and polished without hollowing, the surface shall be solid, without sanding and ash falling, the drainage slope shall be 1.0%, and the base course shall be cleaned, the moisture content of the base course shall be less than 9%, and the base course shall be basically dry, that is, the base course surface shall be evenly white without obvious watermark before the construction of the waterproof layer. -
Construction process and method of saline alkali drainage pipe For greening on saline alkali land, it is usually necessary to lay alkali drainage pipes so as to timely drain excess water and prevent waterlogging. The contents are comprehensive for your reference. -
Construction technology and method of ground source heat pump system The concept of "ground source heat pump" first appeared in a patent document of Switzerland in 1912. The open groundwater heat pump system was successfully applied in the 1930s. After nearly 50 years of development, the "ground source heat pump" technology has been very mature in North America and Europe, and is a widely used heat pump air-conditioning system. On July 8, 2009, three ministries and commissions in Shanghai issued a document stating that -
Construction technology and method of root pile This document is about the construction technology and method of the root pile, including the basis for preparation, project overview, main construction technical scheme, etc. The design is accurate and the content is detailed, which can be downloaded for reference by netizens. -
Summary of reinforcement methods and construction processes (6 types) Process: bonding surface treatment → pressurization fixation and unloading system preparation (unloading steps are sometimes omitted according to the actual situation and design requirements) → adhesive preparation → gluing and pasting → curing and unloading fixation system → inspection → maintenance. -
Construction technology and method of XR inorganic thermal insulation mortar Base course wall treatment → hang the vertical, square and snap the control line → use the thermal insulation material as the ash cake and mouth → plaster the first XR inorganic thermal insulation material 24 hours later → plaster the XR inorganic thermal insulation material and lay the alkali resistant grid cloth on the surface → accept the flatness and perpendicularity, dry in the air, 72 hours later → remove the alkali resistant grid cloth on the surface layer of the thermal insulation material, plaster the crack resistant mortar, lay the alkali resistant grid cloth → plaster -
Construction technology and method of cabinet installation in bathroom Use professional screws to closely connect individual floor cabinets and wall cabinets, use glass drills to drill holes on the wall, and use special screws to fix glue particles on the wall -
Construction technology and measurement method of bridge piers and abutments Piers and abutments are structures that support bridge span structures and transmit dead loads, vehicles and other live loads to the foundation. Usually, the bridge set at both ends of the bridge is called abutment, and the bridge set in the middle is called pier, as shown in Figure 1. In addition to bearing the load of the superstructure, the pier also bears the pressure of water, the wind above the water surface, the possible ice load, and the impact force of ships, rafts or floating objects. -
Construction technology and operation method of underground diaphragm wall Construction process of underground diaphragm wall: surveying and setting out → guide wall construction → underground wall slotting → foundation clearing → reinforcement cage hoisting → underwater concrete pouring -
Construction technology and method of deep mixing pile This data is about the construction technology and method of deep mixing pile, including the basis for preparation, project overview, main construction technical scheme, etc. The design is accurate and the content is detailed, which can be downloaded for reference by netizens. -
Construction process methods and standards in centralized reinforcement binding This method has the advantages of safety, stability and easy binding. The disadvantages are labor and material consumption, increased processes, extended construction period, and frequent handling of electric welding machines, which is very inconvenient -
Construction technology of long spiral post grouting bored pile The construction process is as follows: rig alignment → check pile pipe and concrete delivery pipe → drilling and hole forming → pump concrete and lift drill pipe → fabrication and installation of reinforcement cage → relocation. (1) When the drilling rig is aligned and the drilling rig is in place, the hydraulic outrigger should be placed in the solid place, and the soft place can be padded with sleepers and other materials. The hydraulic outrigger should be used to level the drilling rig and adjust the drill column to be vertical to the horizontal plane, with the vertical deviation not greater than 1 -
Construction technology of long spiral post grouting bored pile The construction technology and method of long spiral post grouting bored pile are described in detail, which can be used for reference and download. -
Treatment and reinforcement method and construction technology of poor foundation soil Before the construction of buildings, the foundation shall be loaded with temporary stacking (gravel, earth, other building materials, goods, etc.), and a certain preloading period shall be given. After the foundation is pre compressed and most of the settlement is completed, and the bearing capacity of the foundation is improved, the load shall be removed before building. -
Methods and construction technology for treatment and reinforcement of poor foundation soil It is to excavate the bad foundation soil on the surface, and then backfill the soil with good compaction characteristics for compaction or tamping to form a good bearing stratum. Thus, the bearing capacity characteristics of the foundation can be changed, and the anti deformation and stability ability can be improved. -
Construction technology and method of foundation treatment for passenger dedicated line The foundation treatment construction of passenger dedicated line mainly includes: original ground treatment, construction of plastic drainage boards and bagged sand wells by drainage consolidation method, construction of sand piles and gravel piles for compaction pile composite foundation, construction of powder jet grouting piles, mixing piles and rotary jet grouting piles for semi-rigid pile composite foundation, construction of gravel cushion for geogrid, construction of CFG piles, etc -
Construction scheme and process method of film waterproof The air holes on the surface of the base course are uneven, honeycombs, gaps, sanding and other phenomena should be repaired. The base surface must be clean, free of laitance, open water and water seepage. -
Construction technology and method of rebar straight thread sleeve connection Straight thread connection is adopted for the connection of load-bearing reinforcement diameter ≥ 22mm of beams in this project. The principle of the straight thread sleeve connection joint is: first, the end of the reinforcement to be connected is mechanically thickened to the predetermined size, then the thick part of the pier is processed, and this section is processed into a cylindrical screw, and then the sleeve is used to connect the two reinforcements whose ends are processed into cylindrical threads into a whole through the sleeve. -
Construction technology and method of bolt protection for high slope of cutting Anchor rod protection is adopted for high cutting slope protection. The slope surface shall be treated first during construction. After the slope surface is inspected as qualified, the anchor rod position shall be measured and set out according to the design requirements, and the anchor rod construction and grouting construction shall be carried out. -
Construction technology of straight thread mechanical connection of reinforcement The thread shape and pitch of the rebar thread head must be consistent with the thread shape and pitch of the connecting sleeve. The cumulative length of the bald part in the effective thread is less than 1/2 of the circumference of a thread. -
Construction technology control method of influence of foundation pit engineering on tunnel displacement Based on the research and analysis of the actual project, this paper introduces a new construction technology to control the deformation of the foundation pit and the specific implementation method to protect the tunnel, taking into account the time-space effect. This paper expounds how to control the main influence parameters of foundation pit construction, thereby limiting the soil uplift at the bottom of the pit and reducing the tunnel displacement. The deformation law of tunnel under the influence of foundation pit construction is analyzed. -
Bad foundation soil, treatment and reinforcement methods and construction technology This data is about the bad foundation soil, treatment and reinforcement methods and construction technology, including the preparation basis, project overview, main construction technical scheme, etc. The design is accurate and the content is detailed, which can be downloaded for reference by netizens. -
Construction process standard for laying and installation method of living room carpet Movable laying: it refers to a method of pasting on the base course without adhesive, that is, laying not fixed with the base course, and trimming all around along the wall corner. It is generally only applicable to the laying of decorative carpet -
Construction technology and method of bored cast-in-place pile in a project This data is about the construction technology and method of bored cast-in-place pile of a project, including the preparation basis, project overview, main construction technical scheme, etc. The design is accurate and the content is detailed, which can be downloaded for reference by netizens. -
Improved construction method of pool construction joint According to the design requirements and construction specifications of the concrete pool, the position of the construction joint should be left at the position where the shear force of the structure is small and convenient for construction. The construction joint of the pool wall should be left on the vertical wall 200-500 mm higher than the bottom plate. This new method is a bold way to break the conventional practice, cancel the steel plate waterstop or rubber waterstop required by the design and specification, and adopt a convex concave mutual -
Innovative construction technology of formwork support method for high-rise stairs The total land area of the project is about 56141m2, and the total building area is about 157030.51m2, of which the total area of the first underground floor is 38573m2. The project consists of 11 residential buildings, 2 office buildings and their podiums, and the overall basement of the first floor. 1 #, 2 #, 3 #, 5 #, 6 #, 7 #, 8 # buildings are 17+1 floors, 9 # buildings are 5 floors, 10 # buildings are 14 floors, 11# -
Technical method of mechanical backfill construction See the title. The content is detailed and very good. Backfill refers to the soil that is returned to the ground after the foundation and other works are completed during the construction. Backfill refers to the construction process of borrowing and backfilling within 5m after the completion of foundation, cushion and other concealed works. This article refers to the use of machinery for backfill. -
Construction scheme and process method of stone dry hanging method Acceptance of stone: stone acceptance shall be managed by specially assigned person, who shall carefully check whether the specification and model of stone are correct according to the design requirements, and whether they are consistent with the bill of materials. If the color is obviously inconsistent, they shall be stacked separately, so that they can be returned to the manufacturer.
