12results about How to "Reduce construction process" patented technology

A rapid cast-in-place technology for a T-shaped structure rotating body prestressed concrete continuous box girder comprises the following steps that S1, the box girder is symmetrically divided into a first section, a second section, a third section,..., an N section with the middle fulcrum of the box girder as the center, and then pouring of the first section is completed; s2, pouring of a second section is completed within the age of the first section concrete, and a 1-2 # post-pouring belt is reserved between the first section and the second section; s3, after the concrete age of the 1 # section is finished, longitudinal prestress tensioning of the 1 # section is completed, and then pouring of the 1-2 # post-cast strip is completed synchronously; s4, pouring of the third section is completed within the age of the 1-2 # post-cast strip concrete, and a 2-3 # post-cast strip is reserved between the 2 # section and the third section; s5, after the concrete age of the 1-2 # post-cast strip is finished, longitudinal prestress tensioning of the 2 # section is completed, and then pouring of the 2-3 # post-cast strip is completed synchronously; and S6, the S4 and the S5 are repeated till longitudinal prestress tensioning of the N # section is completed synchronously. According to the construction process, the construction period can be shortened by half, and the construction cost of the continuous box girder is greatly reduced.

The utility model relates to bridge engineering technical field, and disclose a kind of steel box girder and concrete pier column consolidation structure, including steel box girder, concrete pier column, shear nail and the adjusting member for adjusting the elevation of steel box girder installation, concrete pier column top is reserved with shear key, steel box girder bottom is equipped with for with concrete pier column top socket joint connection's notched, concrete pier column top outer circumferential wall is equipped with the slope of being inserted easily, concrete pier column top is inserted in the inside of notched, adjusting member includes jacking corbel and jack, jacking corbel is connected by bolt with the reserved planting bar on the outer wall below concrete pier column, jack is installed in jacking corbel top, jack top and steel box girder bottom are abutted. The present application is simple in structure, high in precision of factory prefabrication, force transmission is direct in socket design, stress concentration is small, and the elevation of section member is accurately adjusted, convenient for construction, applicable to complex environment and large-span bridge.

This utility model relates to the field of building construction technology, and more specifically, to an integrated structure for casting imitation stone insulation steel mesh and related components. The structure includes an imitation stone insulation layer, a concrete layer, and connecting rods. The imitation stone insulation layer is placed on the outside of the concrete layer before it is poured. A steel mesh is placed inside the concrete layer on the side furthest from the imitation stone insulation layer. The connecting rods penetrate the imitation stone insulation layer and the concrete layer, and are connected at both ends to the imitation stone insulation layer and the steel mesh, respectively. This integrated structure for casting imitation stone insulation steel mesh and related components places the imitation stone insulation layer outside the concrete layer to be poured, connects the imitation stone insulation layer to the steel mesh via connecting rods, and then erects a formwork to pour concrete, thus forming an integrated structure of the wall body and the outer layer. Compared with the existing technology of first pouring the concrete wall, then applying the insulation material, and finally constructing the exterior wall finish, this method reduces the construction process and effectively shortens the construction period.

The present invention is a steel structure box beam roof system, belonging to the field of building construction technology. The present invention includes a box beam roof truss designed in a grid shape, on which a support frame, a composite roof, a gutter and a wiring gallery are arranged; the support frame is used for the installation of the composite roof, the gutter and the wiring gallery, and the composite roof includes an insulation integrated panel, a stainless steel fireproof panel and an aluminum decorative panel arranged in sequence from bottom to top, and the wiring gallery is installed at the bottom of the box beam. The steel structure box beam roof system of the present invention has a scientific design, a reasonable structure, and high precision, which improves the construction quality, improves the construction efficiency, greatly reduces the construction cost, and has a beautiful construction effect, and has great application and promotion value.

This invention relates to the field of template technology, specifically an adjustable template, comprising a template body, an adjustment mechanism, an installation mechanism, a support mechanism, a splicing mechanism, and a sealing mechanism. The adjustment mechanism facilitates adjusting the template to create drainage ditches suitable for different road surfaces, improving work efficiency and avoiding the waste of resources associated with custom templates. The installation mechanism allows for the creation of drainage ditches of different shapes through different combinations of bottom templates to meet various needs, improving the template's applicability. The support mechanism not only supports the interior of the telescopic box but also restores the slightly deformed telescopic box, improving the stability and service life of the device. The splicing mechanism improves the connection stability between templates, further enhancing the stability of the device. The sealing mechanism prevents cement from entering the template and damaging the internal structure during use, further improving the stability and service life of the device.

The invention provides a plastering-free wall leveling construction method which comprises the following steps: firstly scraping a thick putty layer on the surface of a to-be-leveled base body, and then scraping a leveling putty layer after the thick putty layer is completely dried, so that the leveling construction can be completed. Wherein the thick putty layer is specifically prepared from the following components in parts by weight: 70 to 85 parts of calcium carbonate, 10 to 15 parts of lime, 15 to 30 parts of lightweight aggregate, 3.5 to 4.5 parts of a water-retaining agent, 0.2 to 0.8 part of a thickening agent and 1.0 to 2.0 parts of an early strength agent; the putty leveling layer is specifically prepared from the following components in parts by weight: 75 to 85 parts of calcium carbonate, 10 to 15 parts of lime, 3.5 to 4.5 parts of a water-retaining agent, 0.2 to 0.8 part of a thickening agent and 1.0 to 2.0 parts of an early strength agent. Compared with a traditional construction method of plastering, leveling and adding putty twice, the leveling construction method has the advantages that the construction process is shortened, the decoration cost is reduced, the used raw materials are low in cost, the production energy consumption is low, and the leveling construction method is green and environmentally friendly. The obtained composite plastering-free leveling material has excellent binding power, and can be well attached to various base surfaces, including smooth base layers with high water absorption, such as cast-in-place concrete, aerated concrete and the like.

The utility model belongs to the technical field of pile foundation equipment manufacturing, and particularly relates to a movable sleeve type piling frame which comprises a main frame and a movable sleeve, a plurality of sleeve holes are formed in the main frame in a penetrating mode, the axes of the sleeve holes are parallel to one another and perpendicular to the upper surface of the main frame, and the inner diameter of each sleeve hole is larger than the outer diameter of the movable sleeve. A hole diameter adjusting limiting plate is arranged at the position, at the lower end of the sleeve hole, of the main frame, a plurality of turn buckles are arranged at the upper end of the main frame around the axis of the sleeve hole in a circumferential array mode, one end of each turn buckle is rotationally connected with the main frame, and the other end of each turn buckle is provided with a connector connected with the outer circumferential face of the upper end of the movable sleeve. The problems that in the traditional construction process, due to the fact that the perpendicularity of a whole formed by the movable sleeve and the main frame needs to be adjusted, the number of construction procedures is large, and the manufacturing cost is high are solved.

The utility model discloses a one-step molded reinforced concrete heat-insulating imitation stone outer wall, relates to the field of reinforced concrete walls, and aims to solve the problems of long construction period and tedious construction process due to the fact that a concrete wall is firstly poured, then a heat-insulating material is externally adhered and finally an outer wall veneer is constructed when the existing heat-insulating outer wall is constructed in the prior art. The front end of the upper end of the wall body foundation is connected with a prefabricated outer wall heat preservation structure in a combined mode, the front end of the prefabricated outer wall heat preservation structure is fixedly connected with outer wall facing stone, the rear end of the upper end of the wall body foundation is connected with a prefabricated inner wall plate in a combined mode, and a concrete pouring cavity is formed between the prefabricated outer wall heat preservation structure and the prefabricated inner wall plate. A supporting frame is arranged on one side of the interior of the concrete pouring cavity, concrete pouring is adopted in the concrete pouring cavity, and I-shaped connecting clamping pieces are fixedly connected between the upper end and the lower end of the prefabricated outer wall heat preservation structure and the upper end and the lower end of the prefabricated inner wall plate.

The application discloses a polyurethane heat preservation layer mobile foaming mold frame of a large energy storage tank and belongs to the technical field of foaming spraying. The application comprises a guide sliding rail, a plurality of circular arc plates are arranged in a circumferential direction and connected in a head-tail mode on a supporting ring on the outer surface of the energy storage tank body, a spraying supporting plate is arranged on the outer surface of the energy storage tank body in a concentric mode, a spraying cavity is formed between the spraying supporting plate and the outer wall of the energy storage tank body, sealing pieces are arranged on the front and back sides of the spraying cavity, a plurality of spraying openings are arranged on the spraying supporting plate and connected with external foaming supply equipment, and a movable clamping plate is arranged on the upper end of the spraying supporting plate and connected with the guide sliding rail. According to the application, the spraying mold frame is used to replace manual foaming spraying on the outer surface of the tank body, the spraying area and the spraying amount of each spraying area can be accurately controlled in the whole spraying process, the thickness of the heat preservation layer formed after each spraying is more uniform, and secondary planing of the heat preservation layer is not needed.

The application belongs to the technical field of oil and gas stimulation, and provides a polycarboxyl amino modified degradable scale inhibition and salt resistance thickening agent and a preparation method thereof.The polycarboxyl amino modified degradable scale inhibition and salt resistance thickening agent is prepared from raw materials including 8-15% of a degradable main chain skeleton, 2-6% of a polycarboxyl amino compound, 3-5% of a long-chain alkyl unsaturated silane, 10-18% of a thickening monomer, 8-15% of a salt resistance functional monomer containing a sulfonic acid group, 0.1-0.4% of an initiator, and the balance of water, according to mass percentage.The degradable main chain skeleton is polyepoxysuccinic acid or polysuccinimide; and the polycarboxyl amino compound is N,N'-ethylenediamine disuccinic acid, N-(2-aminoethyl)-N-(carboxymethyl)-glycine or iminodiacetic acid.The thickening agent integrates the functions of degradability, scale inhibition, thickening and salt resistance, and can be directly used for preparing a solution with complex water quality such as high salinity flowback liquid.

The present application relates to a kind of flushing pipeline and flushing method of ship oil residue pipeline, belong to ship equipment technical field. The incinerator waste oil tank in ship is used to collect the waste oil generated by each equipment;Waste oil is communicated to incinerator waste oil tank by oil residue pipeline;Incinerator waste oil tank is communicated to the oil residue pipeline input end of incinerator by oil residue conveying pipeline, and incinerator is equipped with oil residue backflow pipeline and is communicated to incinerator waste oil tank;Incinerator diesel tank is communicated to incinerator by diesel pipeline, and incinerator is equipped with diesel backflow pipeline and is communicated to incinerator diesel tank;Parallel oil residue flushing pipeline is connected on the diesel backflow pipeline of incinerator waste oil tank and incinerator;Oil residue flushing pipeline is one-way pipeline for diesel backflow pipeline to oil residue output end.The ship oil residue pipeline flushing pipeline used in the present application does not need to make large-area change to existing pipeline and equipment, i.e., improvement is added to existing equipment, reduces construction process, and reduces construction cost.

The invention discloses a ship loading method for a jacket fixed platform pile foundation, which belongs to the technical field of ocean engineering and comprises the following steps: S1, laying a bottom layer steel pile tool on a site, and hoisting two steel piles on the first layer to a steel pile tool cross beam; s2, the steel piles are sequentially hoisted according to the sequence of two steel piles on the first layer, three steel piles on the second layer and three steel piles on the third layer from bottom to top, and meanwhile the second layer and the third layer of the steel pile tool are welded; s3, the SPMT trolley is started to enter from the two sides of the steel pile tool and is in place at the preset jacking position; s4, the SPMT trolley jacks and lifts the packaged steel piles, and the steel piles are transported to a transportation barge which is barged by a wharf; and S5, after the steel pile reaches the preset position, the SPMT trolley retreats, the steel pile tool outside the ship is cut, welding shipment fixing work is conducted, and steel pile shipment is completed. The SPMT trolley can enter and exit from the two sides of the steel pile tool, the gravity center of a steel pile tool frame is lowered, the requirement for the stability of a ship is lowered, and the ship loading efficiency is improved.