52results about How to "In line with the concept of green construction" patented technology

The invention discloses a heavy traffic road inspection well loop and a construction method thereof. The well loop comprises an inspection well bottom portion, an inspection well middle portion, an inspection well upper portion, a well base, a nodular cast iron well lid and the like. A well wall is arranged between the inspection well bottom portion and a steel inner die and provided with a pipeline butt joint hole. The well base is installed on peripheral concrete for synchronously pouring a well base installation system. The nodular cast iron well lid is arranged at a well mouth of the upperside of the well base. The inspection well middle portion and the inspection well upper portion are internally provided with well loop reinforcement cages, and concrete is poured. A bottom base layeris arranged outside the inspection well bottom portion. A middle base layer is arranged outside the inspection well middle portion. An asphalt layer is arranged outside the inspection well upper portion. Through the technology, the obtained inspection well loop is large in bearing capacity, and the stability of the well wall in the construction process is ensured; the rapid positioning and fixingin the installation period of the well base are accelerated, and the construction method of the well loop is simple and convenient to implement, high in production efficiency and suitable for heavy traffic roads; due to the hollow design of arc-shaped concrete modularized bricks, resources can be saved.

The invention provides underground comprehensive pipe gallery construction equipment and construction method. The construction equipment comprises a foundation pit enclosure structure, a rail connector, a walking steel rail, and a portal lifting device. The foundation pit enclosure structure is formed by meshing a plurality of composite piles formed by combining U-shaped steel sheet piles and H-shaped steel supporting columns side by side; the rail connector comprises a base and two sets of rail positioning adjusting elements symmetrically installed on the base; the bottom of the rail connector is connected with H-shaped steel supporting column webs of the composite piles; steel rails are installed on the rail connector; the portal lifting device comprises a fixed supporting leg, a span adjusting supporting leg, a bridge frame connected with the two supporting legs, and a walking mechanism; and the portal lifting device is in sliding connection with walking steel rails through the walking mechanism. According to the underground comprehensive pipe gallery construction equipment and construction method, foundation pit supporting and hoisting equipment are combined into a whole and fully utilized with each other, so that the integrity of a supporting system is enhanced, the occupied area of steel rail arrangement is reduced, environmental pollution is reduced, and all equipment can be recycled after engineering construction is completed.

The invention discloses a dynamic closed construction method of a subway station using fast folding shelters. The method comprises: 1, a plurality of fast folding shelters are prepared, a construction range of a ground pit comprises a plurality of sections, and each section is covered by the corresponding fast folding shelter which is spread; 2, before excavation, the fast folding shelters are built on the ground and cover the whole construction range; 3, when a section needs to carry out operation demanding high clearance, the fast folding shelter corresponding to the section is quickly folded, so that the section is open, and the other sections are still subjected to operations demanding low clearance in a closed state; 4, when the operation demanding high clearance of the section ends, the corresponding fast folding shelter is spread; and 5, the step 3 and the step 4 are repeated until construction of all the sections is completed. The method maintains the advantages of closed construction methods of subway stations in the prior art which are environment-friendly and not restricted by weather, and has advantages such as high construction speed and low costs.

The invention relates to an assembly type steel structure-concrete combined bridge and a construction method thereof, and relates to the technical field of bridge construction. The assembly type steelstructure-concrete combined bridge comprises concrete piers and steel frame girders, wherein the side walls of the two sides of the concrete piers are correspondingly provided with placing grooves, the steel frame girders comprise steel girder supporting devices, steel girder bearing devices and steel girder plates, the bottoms of the placing grooves are connected with elastic blocks, and the elastic blocks are connected with the steel girder supporting devices; and male inserting plates and female inserting plates are arranged on the lower surfaces of the two steel girder plates on the sameconcrete pier correspondingly, the female inserting plates are matched with the male inserting plates in an inserted mode, the short edges of the female inserting plates and the short edges of the male inserting plates are connected with elastic parts, and the elastic parts extend to the part between the two steel girder plates and are connected with the opposite sides of the two steel girder plates. According to the assembly type steel structure-concrete combined bridge, due to arrangement of the male inserting plates, the female inserting plates, the elastic parts and the elastic blocks, theprobability of being damaged between the adjacent steel frame girders and between the steel frame girders and the concrete piers is reduced, the integral structure of the bridge is stable, and the probability of being damaged under the condition of an earthquake or large vibration is greatly reduced.

The invention provides a fabricated steel structure temporary working shed and a mounting method thereof. The fabricated steel structure temporary working shed comprises longitudinal hollow trusses, transverse hollow trusses, a plurality of purlines and two or more assembling units; the assembling units are arranged in parallel and connected together through the purlines; the multiple purlines arearranged on double-spliced C-shaped I beams at equal intervals and perpendicular to the double-spliced C-shaped I beams; the longitudinal hollow trusses are connected to the upper flanges of the twoends of the double-spliced C-shaped I beams; the transverse hollow trusses are arranged on the purlines at equal intervals and perpendicular to the purlines; and the two ends of the transverse hollowtrusses are connected to the longitudinal hollow trusses. Components required by the fabricated steel structure temporary working shed can be prefabricated in a factory in advance and completely connected through bolts on site, welding is not needed, and the mounting and dismounting speeds are high; and vertical columns are located around, the middle working area is open, and thus operation of workers is facilitated.

The invention discloses a green fixing device for vertical template square steel of a welded elbow and a construction method of the green fixing device, and belongs to the technical field of construction. The green fixing device for the vertical template square steel of the welded elbow comprises a square steel keel. The front side of the square steel keel is in overlap joint with four secondary keels, and the back of the square steel keel is in overlap joint with the front of a template. According to the green fixing device for the vertical template square steel of the welded elbow, the square steel keel, a steel bar elbow, the secondary keels and fasteners are arranged, when the staff needs to fix the square steel keel to the template, then the fasteners are fixed to the template throughsplit bolts, and the fasteners and the split bolts are arranged, so that the green fixing device is low in cost and high in speed and can be recycled, the through-end head of the square steel keel iswelded to the steel bar elbow, installation and disassembly are convenient, construction is convenient, and labor cost input is low; and the scrap rate of the square steel keel is low, the number oftimes of turnover is high, the residual value is high, the material is saved, the use of square wood strips is reduced, the forest is protected, and the sustainable development of resources is achieved.

The invention discloses a construction method of a sewage distribution main pipe network, and belongs to the technical field of pipeline construction. A newly-built sewage lifting pump station and a newly-built sewage pressure conveying pipeline are included. The sewage pressure conveying pipeline comprises a land sewage pipeline, a river crossing pipeline, a road crossing pipeline, a submarine pipeline and a pump station outdoor rain sewage drainage pipeline. The land sewage pipeline adopts PE pipeline construction, the river crossing pipeline or the road crossing pipeline adopts PE tractionpipeline construction, and the submarine pipeline adopts offshore slotting buried pipe construction. In PE pipeline construction, materials are environmentally friendly, corrosion resistance is good,strength is high, and construction stability is guaranteed. In PE traction pipeline construction, pipelines are deeply buried, construction is safe, horizontal directional accurate drilling construction is adopted, and the pipeline construction efficiency is improved. In offshore slotting buried pipe construction, the elevation of the foundation base slot bottom is accurately controlled, and the foundation slot construction quality is guaranteed. Pipe land assembly welding and offshore butt joint are adopted, the construction period is shortened, the construction cost is reduced, and environmental pollution is reduced.

The invention discloses a beam bottom arching form supporting device. The device comprises a lead screw arranged in a beam bottom supporting vertical rod, wherein an adjusting nut is arranged at the position, located at the top end of the beam bottom supporting vertical rod, of the lead screw, the adjusting nut is clamped at the top end of the beam bottom supporting vertical rod and used for adjusting the stretching amount of the lead screw in the beam bottom supporting vertical rod so as to adjust the height of the lead screw, a horizontal supporting rod for supporting a beam side form is arranged at the upper end of the lead screw, a supporting plate for supporting a beam bottom form is welded to the top end of the lead screw, and the horizontal supporting rod comprises a threaded sleeveconnected to the lead screw and two symmetrically-arranged horizontal rods. According to the device, a beam bottom arching form is machined and manufactured with the lead screw as a basic part, the functions of beam bottom arching height adjustment, beam bottom form supporting, beam side form reinforcing and the like are integrated, the large-span beam bottom arching height can be accurately adjusted according to design or specification requirements, and compared with a conventional beam bottom arching form supporting mode, the device has the advantages that manufacturing is easy, the economical and environment-friendly effect is achieved, and the arching height adjustment precision is high.

The invention relates to a reusable anti-climbing device at the bottom layer of a tower crane on a building construction site. The reusable anti-climbing device is formed by a steel structure framework; and the steel structure frame is composed of stand columns, truss girders, structural cross beams, a door frame, a door, inclined braces, upright poles, connecting pieces, long auxiliary beams, short auxiliary beams and short beams which are connected and combined through bolts and are respectively standard parts with unified specification. The stand columns are connected to four square ground foundations; and the door with a door lock is arranged in the front of the steel structure framework, a reinforcing mesh is laid at the periphery of the steel structure framework, an anti-falling scaffold board is laid on the roof of the upper layer of the steel structure framework, and a color steel plate is laid on the roof of the lower layer of the steel structure framework. The reusable anti-climbing device at the bottom layer of the tower crane on the building construction site is formed by combining the multiple standard parts which are designed according to conditions such as the sizes of standard knots of the tower crane and design codes for lightweight steel structures. The reusable anti-climbing device has the characteristics of being suitable for the sizes of the standard knots at the bottom layers of different tower cranes, capable of being freely combined, convenient, practical and low in cost, and saving labor and time. The reusable anti-climbing device is convenient to dismantle, is in line with a green construction idea and is safe to use on the site.

The invention discloses a prefabricated assembled reinforcing steel bar processing field. The prefabricated assembled reinforcing steel bar processing field comprises a plurality of first prefabricated plates, each of the first prefabricated plates comprises a frame and concrete poured in the frame, the frames are formed by H-shaped steel, and the first prefabricated plates are assembled to form the prefabricated assembled reinforcing steel bar processing field. The prefabricated assembled reinforcing steel bar processing field assembled by prefabricated plates on site is simple and quick to construct and can be used repeatedly for multiple times, and construction waste output caused by processing fields of reinforcing steel bar construction or woodworking is reduced remarkably, construction time is shortened, and construction cost is saved. The invention further provides a manufacturing method of the prefabricated assembled reinforcing steel bar processing field. By the aid of the manufacturing method, the prefabricated assembled reinforcing steel bar processing field is simple and convenient to construct, and construction efficiency is improved.

The invention discloses a mobile shelter suitable for subway station construction and a construction method. The mobile shelter comprises a plurality of shelter units arranged above a foundation pit, guiding rails are arranged on the ground on the two sides of the foundation pit, the length of each guiding rail is larger than the sum of the widths of all the shelter units by at least the width of one shelter unit, each shelter unit comprises a truss structure, side surface supports arranged on the two sides of the truss structure, a ceiling clad material layer arranged above the truss structure and a motor, sliding wheels matched with the guiding rails are arranged at the lower ends of the side surface supports, each motor can drive the corresponding side surface support to move along the corresponding guiding rail, and opening or covering of different segments of the foundation pit is achieved by the shelter units moving along the guiding rails. According to the mobile shelter, the truss structures are adopted, compared with existing folding shelters, the mobile shelter has the advantages that the stiffness and the reliability are higher, and the span of the shelter can be increased; negative impacts on a surrounding environment in noise, dust and illumination are low, so that the idea of green construction is conformed.