65results about How to "Save construction resources" patented technology

A light concrete wall slab cast in-situ is composed of main body and welded reinforcing steel bar net in said main body. Said main body is made up of water, cement, powdered coal ash, slag powder, silicon powder, efficient composite water-reducing agent, polypropylene fibres, glass fibre fabric or alkali-resistant plastic-coated glass staple, modified cement polymer emulsion (or powder), haydite, and sand. Its advantages are light weight, high strength, low shrinkage, not deforming and cracking, and low cost.

The invention belongs to a construction method for the right-angle skew tunnel-entering cover arch of an unsymmetrical-loaded and shallow-buried tunnel. In the method, conventional cover arches and steel arches are erected by adopting a left and right staggered erecting method, that is, the erecting direction of the steel arches and the slanting direction of the axial lead of a tunnel traveling axial lead form an angle of 45 to 60 degrees, the steel arches at a left side end and the steel arches at the right side end are erected in a staggered manner, the distance between the adjacent steel arches which deviate from the right side of a mountain is smaller than the distance between the adjacent steel arches which are close to left side of the mountain, the distances between the steel arches within a range of 20 to 30 m in a hole are adjusted, a conventional orthogonal cover arch is manufactured into a cover arch which is in the right-angle skew with a tunnel-entering direction. The method provided by the invention can ensure smooth and safe hole entering of an unsymmetrical-loaded and shallow-buried tunnel in a narrow tunnel portal topographic condition, the amount of soil stone excavated from a mountain body can be greatly reduced, the construction resources are saved, environmental protection is facilitated, and the method has the advantages that the method is simple and practical, labor and time are saved, the construction cost is low, the construction period is short, the effects of safety and reliability are realized, and high efficiency and good quality are achieved.

The invention discloses a building rubbish disposal method. The building rubbish disposal method comprises the following building rubbish crushing and screening working procedures of soil removal, primary crushing, primary screening, artificial sorting, secondary crushing and secondary screening. Through repeated crushing and screening of building rubbish, the building rubbish can form recyclable aggregate, thus saving building resources.

The invention relates to the technical field of building construction. The invention discloses a construction method of a basement pile-wall integrated structure system. A bottom plate connecting plate, a floor slab connecting plate and a top plate connecting plate are arranged between foundation pit supporting piles and a basement exterior wall. The bottom plate connecting plate, the floor slab connecting plate and the top plate connecting plate are respectively connected with a bottom plate, a floor slab and a top plate of a basement through steel bar planting bars and are poured simultaneously; the foundation pit supporting piles and the basement structure are stably connected, the foundation pit supporting piles are fully used as one part of the permanent structure in the permanent usestage, and the advantages of protecting the environment, saving building resources, shortening the construction period and the like are achieved; meanwhile, basement waterproof operation is carried out while the construction steps of bar planting, formwork erecting, steel bar binding and the like are carried out, all floors are waterproof layer by layer and poured layer by layer, the basement non-poured space can be fully utilized for waterproof construction operation, the waterproof construction is not limited by the space between a basement outer wall and a supporting pile, and the waterproof effect is guaranteed.

The invention discloses a biochar pulp prepared from garbage leachate serving as a raw material and a preparation process thereof, and aims to provide the biochar pulp prepared from the garbage leachate serving as the raw material and the preparation process thereof, which have the advantages of the combination of energy saving and emission reduction and environmental management and low cost. Thepreparation process comprises the following steps of: mixing biochar, the garbage leachate, methanol, high-temperature sand and additives serving as raw materials; and crushing, homogenizing and filtering the mixed raw materials to prepare the biochar pulp. The biochar pulp is used for replacing fuel oil so as to effectively save energy and reduce fuel cost, plays a good part in managing urban environment, and fulfills the aims of promoting economic and environmental health and sustainable development. The biochar can be widely applied in the fields of substitute oil firing such as industrialboilers, power station boilers, industrial furnaces and the fields of urban environment management and the like.

The invention relates to the technical field of road engineering construction, and particularly to a road building method which solves the problems that an existing road engineering construction road structure is relatively single, easy to damage, difficult in repairing, and high in building cost. The building method comprises the steps of mixing at least biological enzyme, broken stones, soil, an additive and water according to a certain ratio and rolling to form a biological enzyme soil solidified base layer and a subbase layer (enzyme soil solidified base layer for short), and then paving a cement mixing material of the biological enzyme, rubber powder and fibers modified for multiple times on the enzyme soil solidified base layer through a paving machine, rolling and forming to obtain a novel road pavement structure based on the enzyme soil solidified base layer and a multi-element repeated-modified roller compacted concrete pavement. By adopting the road building method of the novel road pavement structure, the difficulties such as high requirement on materials selected by building a road pavement, high cost, complicated construction, difficulty in maintenance, serious environment pollution and the like are solved, and the use performance of a road is greatly improved; the novel road pavement structure has the advantages of environment friendliness without pollution, resource saving, and the like, and is remarkable in economical benefits and social benefits.

The invention discloses a dual steel pipe-encased concrete anti-seismic column with a built-in rubber mixture. The dual steel pipe-encased concrete anti-seismic column comprises round-in-round, square-in-square, round-in-square, square-in-round, rectangle-in-rectangle cross section forms, is composed of an outer steel pipe, an inner steel pipe, interlayer concrete and the rubber mixture; the inner and outer steel pipes are in fixed connection through welding or a bolt; and the interlayer concretely is disposed between the two steel pipes, the rubber mixture is packed in the inner steel pipe, and the interlayer concrete is self-compacting concrete. The rubber mixture is in the inner-layer steel pipe, has extremely good energy-consumption damping effect, is capable of effectively absorbing earthquake energy, and also is capable of effectively preventing fires. The dual steel pipe-encased concrete anti-seismic column with the built-in rubber mixture is relatively light in deadweight. The anti-seismic column is a main member of a framework structure of high-rise and wide-span buildings, and has the characteristics of high bearing capacity, light weight, good plasticity and toughness, good impact resistance and fatigue resistance, excellent earthquake-proof performance, good endurance and the like.

The invention discloses a ground permeating rainwater recovery system utilizing building waste materials. The ground permeating rainwater recovery system comprises a soil foundation, a permeating layer, a base layer, a planting soil layer and a face layer which are sequentially arranged from bottom to top. The permeating layer is a building waste material rough particle layer which is evenly distributed with the particle size of 30-50 mm, a permeating pipe is laid in the building waste material rough particle layer and permeating pipe is connected with a water collecting well through a connecting pipe. The base layer is a building waste material fine particle layer which is evenly distributed with the particle size of 1-10 mm. The face layer is lawn blocks and waste engineering stones, and the lawn blocks and the waste engineering stones are arranged alternately. The invention further discloses a construction method of the ground permeating rainwater recovery system utilizing building waste materials, and the method includes the steps of site flatting, soil foundation processing, building waste material crashing, permeating layer laying and the like. According to the ground permeating rainwater recovery system utilizing building waste materials and the construction method of the ground permeating rainwater recovery system, building waste is reasonably used, building resources are saved, the environment is protected, rainwater is recycled, and water resources are saved.

The invention provides a green upgrading structure of concrete pavement and a reconstruction method thereof. The A reconstruction method comprises the following steps: concrete pavement treatment, concrete pavement joint treatment, reinforcing bar mesh layer laying, filling and excavating partition box laying, recycling concrete layer construction, upper reinforcement layer and partition mortar layer construction, water-proof base layer and asphalt mixture surface layer construction, filling and excavating partition box taking out and draining and storing water partition belt laying. The method provided by the invention realizes the full utilization of the milling material of the concrete pavement and saves the building resources. At the same time, in order to prevent the crack from reflecting, the upper reinforced layer and the spacer mortar layer can effectively prevent the crack from blocking the reflection channel and enhance the integrity of the pavement structure. It reduces thedifficulty of setting up the water drainage and storage partition belt in the later period and improves the compaction effect of the pavement structure. The utility model meets the needs of storing and utilizing rainwater, greening construction of partition belt and assembling installation of curb stone, and effectively improves the construction efficiency on site.

The invention discloses a convenient prefabricated plate brick membrane installing method which includes the steps of coating mortar bonding layers (5) on the upper surface of a ground beam cushion layer (4), wherein the position of the mortar bonding layer (5) corresponds to the position of a concrete hollow prefabricated plate to be installed (1); arranging the concrete hollow prefabricated plates to be installed (1) on the upper surfaces of the mortar bonding layers (5) to form a prefabricated hollow concrete brick membrane, wherein the concrete hollow prefabricated plate (1) is along a vertical direction; arranging a temporary support (6) between the concrete hollow prefabricated plates (1) for reinforcement; placing soil on the outside of the concrete hollow prefabricated plate (1) and arranging a basic layer (2) on the backfill (3); when the backfill (3) and the basic layer (2) are completed, and the prefabricated plate brick fetal membrane is stabilized, removing the temporary support (6) after the prefabricated plate brick membrane becomes firm. The convenient prefabricated plate brick membrane installing method effectively solves the problems of large work amount of brickmasonry as brick membrane construction and more manpower input.

The invention discloses a hydrostatic hydraulic flushing and suction sinking well construction method. Through modes of arranging a hydraulic mud flushing machine, a mud discharging pipe and other equipment and a pipeline circulation system at the bottom of a well and arranging cast-in-place piles and upper crossbeams on the periphery of a well body and the other modes, static hydraulic pressure and hydraulic flushing and suction mode can be used to smoothly sink the well body when an undrained method sinking well construction meets a local sand layer, and meanwhile, the uneven sinking of thewell body can be rectified in the process of sinking. The hydrostatic hydraulic flushing and suction sinking well construction method is extremely suitable for disaster relief and rescue or tight construction, can effectively solve the difficult problems of sinking well construction under complex geological conditions, significantly improve the construction quality, reduce the construction period,save construction resources, and reduce the construction cost.

The invention provides a construction method of a long and narrow deep foundation pit surrounding system. High-rigidity steel plate piles are adopted as surrounding piles, and are combined with four steel supports including a top ring beam to guarantee safety of a foundation pit; through adoption of such construction resources as recoverable steel plate piles and steel supports, the construction resources are saved, no curing requirement is generated, and the construction period is saved; and the construction time length of the foundation pit surrounding system is an important factor for guaranteeing safety of the foundation pit.

The invention discloses an oil depot assembly type fire dike construction method. The construction method mainly comprises the steps of ground treatment of a prefabricated site area, prefabrication ofan assembly type fire dike PC component, excavation of a foundation trench, construction of a cushion layer, transportation of prefabricated components, hoisting in place of fire dike PC components,wet connection of PC components, treatment of expansion joints, interaction of dividing dikes, fire prevention coating construction for a fire dike, acceptance inspection and the like. The preparationmethod of a PC component comprises the following steps: customizing a template required by the PC component, processing reinforcing steel bars, splicing a foundation floor mold and a blocking plate mold, conducting penetrating of horizontal ribs, binding longitudinal reinforcing steel bars, conducting reserving, mounting pre-embedded parts, mounting positioning ribs and supports, sealing the moldand conducting reinforcing, pouring concrete, dismounting side molds and blocking plates, conducting maintaining and the like. According to the assembly type fire dike construction method, standardization of a product is achieved, continuity of a construction process is achieved, the structure quality is improved, the construction period is shortened, the influence of weather and manpower on theconstruction quality is reduced, and site construction pollution is reduced.

The invention provides an environment-friendly building material containing wastes and a preparation method thereof and relates to the technical field of building materials. The environment-friendly building material containing the wastes is prepared from the following raw materials: sludge wastes, feldspar, bentonite, zeolite, loess, mica, agalmatolite, waste rock wool board, waste polyethylene foam plastic, activated carbon, aerogel, glass fibers, a flame retardant and a binding agent; the preparation method comprises the following steps: (1) weighing the raw materials; (2) crushing; (3) stirring; (4) feeding into a mold and molding; (5) firing to obtain a finished product. The environment-friendly building material containing the wastes, which is prepared by the invention, has the advantages of energy saving and environment protection, and good flame-retarding performance.

The invention discloses a green gravity type soil retaining structure, and relates to the technical field of soil retaining structures. The soil retaining structure comprises a soil retaining structure and a water storage control device. The soil retaining structure comprises a soil retaining body, a water storage chamber, a drainage hole and a water filtering pipe; the water storage chamber is arranged in the soil retaining body, the drainage opening is formed in the top of the water storage chamber, and the water filtering pipe is arranged on the transverse side face of the water storage chamber; and the water storage control device comprises a water stop valve, a drainage pipe and a communication hole, the drainage pipe is connected to the bottom of the water storage chamber, the water stop valve is arranged in the drainage pipe, and the drainage pipe is connected with the communication hole. Through the water storage chamber, the water filtering pipe and the water storage control device, slope water and soil can be effectively protected, the natural ecological environment is protected, water stored in a water storage chamber can be reasonably distributed and utilized, stored water is used for complementing dead weight, the soil retaining capacity is improved, building resources are saved, and through the communicated drainage hole, focus utilization and directional draining of remaining water can be achieved; and the problems that the load distance of water resources for green belts in the middle of road is long, and irrigation is difficult are solved.

The invention discloses a cell business resource distribution method and device. The method mainly includes judging whether business sharing between a source cell and at least one adjacent cell is balanced according to the business quantity of the source cell and the business quantity of the adjacent cells in the set range by determining the adjacent cells of the source cell in the set range; on no judgment, calculating the idle business traffic channel number of the adjacent cells in the set range, calculating the business quantity to be shared of the source cell, determining the adjacent cells capable of sharing the business quantity of the source cell, and distributing the business quantity to be shared of the source cell to the determined adjacent cells according to a business distribution strategy. The problem that business sharing between the source cell and the adjacent cells is unbalanced due to the fact that a source cell expansion mode is adopted, business balancing between the cells in the same area is achieved, network building resources are saved, the network structure complexity is relieved, and the network service quality is improved.

The invention relates to the field of pipeline installation, in particular to a portable large pipeline welding butting device. The device is characterized by comprising an annular retainer, pressingplates and locking bolts, wherein the annular retainer sleeves a butting seam of the two pipelines, a plurality of pressing plates are arranged and are uniformly arranged on the inner side of the annular retainer, the inner side surfaces of the pressing plates abut against outer walls of the two pipelines respectively, the outer sides of the pressing plates are provided with the locking bolts; thelocking bolts pass through the annular retainer and are connected with the annular retainer through threaded through holes; the pressing plates abut against the outer walls of the pipelines by rotating the locking bolts. The butting device is applied to the welding butting construction of a large pipeline, the butting device is fixed on the outer side of the pipeline, and unfitness of butt jointof the pipelined is effectively reduced by adjusting the pressing plates which are arranged around the butt joint of the pipelines. The device is simple in operation and convenient to manufacture, construction resources and pipeline adjustment time are effectively reduced.

The invention discloses a cutting machine for building boards. The cutting machine comprises a box body, a stabilizing assembly is installed in the middle of the bottom end of the box body, a stackingassembly is installed at the bottom of one end of the box body, and a storing groove is formed in the middle of one end of the box body. According to the cutting machine for the building boards, thestructure is scientific and reasonable, and use is safe and convenient; the length of manual telescopic rods is adjusted, stabilizing bases are fixed to the corresponding sides of moving wheels through rotation of first rotation shafts, the moving wheels are fixed through the stabilizing bases, therefore, the condition that in the cutting process, accidents occur due to the fact that the cutting machine displaces can be effectively prevented, and the cutting machine can be more stable in the using process; the manual telescopic rods are clamped into fixing plates, limiting plug pins are inserted into the fixing plates, and therefore the manual telescopic rods can be effectively fixed; and in addition, the cutting machine is moved through the moving wheels, and therefore the cutting machinenot only can be conveniently moved in the using process, but also can be more stable in the using process.

The invention relates to a dry cleaning method and dry cleaning equipment for slurry on the inner wall of a premixed concrete tank truck. The method comprises the following steps that (1) a debugging system is installed; 2) collecting local daily temperature within five years; 3) setting identification and weighing equipment; 4) determining the local day temperature; 5) determining a weight difference value and a time difference value of vehicles entering and exiting the station; 6) determining the weight of excess materials; 7) driving the vehicle to a heavy load induction acquisition area; (8) the water adding amount and the mass of the dry cleaning medium are determined; (9) controlling dry cleaning; the dry cleaning equipment comprises a material lifting system mounted on a lifting bracket, an unloading system connected with the material lifting system and used for feeding a dry cleaning medium into a mixing drum of the concrete tank truck, a waterway system used for controlling spraying dust removal, and a control system. According to the dry cleaning and recycling device, the problem of secondary pollution caused by cleaning of the slurry on the inner wall of the premixed concrete tank truck is practically and effectively solved, precious building resources can be economically and reasonably saved, and the dry cleaning and recycling device is an indispensable matched dry cleaning and recycling device for a concrete mixing plant.