341results about How to "Reduce construction intensity" patented technology

The invention relates to an unsteamed concrete air-filled insulating brick produced from building waste, and a production method of the insulating brick. The insulating brick is prepared from the raw materials in parts by weight: 30-40 parts of cement, 20-30 parts of aggregate, 8-10 parts of CaO, 3-5 parts of CaSO4, 3-5 parts of carbamide, 3-5 parts of polyvinyl alcohol, 5-10 parts of cellulose hydroxypropyl methyl, 3-5 parts of calcium formate, 5-10 parts of foaming agent and 40-60 parts of external water, wherein cement contains one or more than two of common silicate, high-alumina cement, fly ash cement, alumina cement and aluminate cement; the aggregate is building waste with the particle size being less than or equal to 5mm; and the foaming agent contains one or more than two of aluminium powder, aluminium powder paste, hydrogen peroxide and sodium hydrogen carbonate. The unsteamedconcrete insulating brick is prepared by material preparing, mixing, injection molding and curing. Therefore, the land occupation and the living environmental pollution caused by the building waste can be effectively reduced, and the produced unsteamed concrete air-filled insulating brick has the advantages of good heat insulation effect, light weight, good sound insulation effect and high strength, and can be nailed and sawed; and the construction intensity can be reduced.

The invention discloses a construction material produced from industrial residue, aims to provide a construction material having the advantages of light weight, sound insulation, heat insulation, low cost, fire resistance, dense products, high rigidity and the like, and solves the problems with land occupation and pollute environment of phosphate slag and phosphogypsum at the same time. the invention is realized through the following technical scheme: phosphate slag and phosphogypsum are used as raw materials for producing the construction material, which comprises the following components by the weight part: 35 to 65 parts of phosphate slag, 10 to 40 parts of phosphogypsum, 5 to 15 parts of lime, 15 to 28 parts of cement, 0.1 to 0.4 part of light aggregate, 0.02 to 0.05 part of soluble glass, 0.02 to 0.05 part of water-reducing agent, 0 to 0.004 part of retarding agent, 0 to 0.005 part of early-strength admixture, and 0 to 0.008 part of foam killer; the components are weighed by the formula weight part and added to a blender; water is added to the blender with the water-to-material proportion being 4 to 10 and mixed evenly with the materials; and the solution is cast into a die and natural air dried after molding. Dies with different structures can be used according to purposes to conduct cast molding. The construction materials such as wall plates, guardrail decoration pillars, door and window sleeves, vase sleeves and the like can be produced.

The invention provides a modularized box type charging and battery swapping station used for replacing a battery of an electric car. The charging and battery swapping station comprises a central monitoring room 1, a battery swapping robot 2 and a charging and battery swapping box 3, wherein the central monitoring room 1 is used for monitoring the charging and battery swapping station, the battery swapping robot 2 is located between the charging and battery swapping circuit 3 and the electric cars provided with batteries to be replaced, and the battery between the electric cars provided with batteries to be replaced can be replaced; and a battery storage rack 301, a battery charger cabinet 302, a monitoring cabinet 303, a distribution cabinet 304, a temperature control system 305 and an access path 306 are arranged in the charging and battery swapping box 3. The modularized box type charging and battery swapping station, provided by the invention, has the advantages of strong adaptability, flexible configuration and expansibility, small floor space, high working efficiency, short construction period, benefit for large-scale popularization and construction, high automation degree, smaller device maintenance amount, simple structure and low fault rate.

The invention relates to a construction method of a soil covering tank for storing product oil and the like, which comprises the following steps of: (A) building a tank chamber of a soil covering tank: firstly, carrying out earth excavation with a method combining a back-acting shovel and manual excavation; then, manufacturing a ring beam, precasting concrete blocks on the spot according to the radian of the ring beam, and building the concrete blocks; carrying out the engineering of steel bars: welding steel bars by machining, and manually binding the steel bars on the spot; carrying out the engineering of templates and scaffolds: taking a bamboo plywood as a top plate template of a concrete thin shell of the tank chamber, designing a camber at the middle part, and taking scaffold tubes as bottom template brackets of the thin shell of the tank; then, carrying out concrete engineering and asphalt sand construction; and finally, carrying out waterproof engineering, thereby completing the construction of the tank chamber of the soil covering tank; and (B) installing a storage tank body of the soil covering tank: firstly, precasting the storage tank body; then, installing a tank bottom plate; installing the tank body, and welding the storage tank; and finally, testing and inspecting to complete the whole construction process of the soil covering tank after the construction is qualified. The invention reduces the occurrence of accidents, increases the benefit and reduces the dust emission.

The invention discloses a construction method of plastic acoustic pipe fixation, which comprises the following steps: first, connecting the plastic acoustic pipe as long as reinforcement cage with the major steel of reinforcement cage; second, connecting the roll end with the last acoustic pipe end and one end of joining member with the other end of acoustic pipe by binder; then, dragging the drilling; putting down the reinforcement cage; injecting water in the acoustic pipe; putting down the second reinforcement cage in connection with the former cage; connecting the acoustic pipe with the inner acoustic pipe of previous reinforcement cage by joining member and binder; filling the acoustic pipe with clean water until the last pipe according to the analogy; binding the roll end and the top of acoustic pipe by binder; finally, casting concrete. This method has the following characteristics: simple construction process; low strength construction for workers; low cost and so on, which can be set in the filling plastic acoustic pipe.

The invention provides a kind of water industrial paint which is single group multi-room cross linking. The paint uses water filming polymer as the base material, the active paint filler and the film surface modifying agent is used as the modification material, and adds in other color fillers, dispersant, antifoam agent, thickener, rot-proof and sterilization agent, filming assistant and water. The paint can form the paint film through cross linking in room temperature, it needn't heating and solidification, it has excellent film rigidity and dirt resisting performance; there can acquire three layers of film only by on time painting; the rot-proof performance is great; the construction of the product is convenient, the applied range is spread, it can upgrades the efficiency of working, saves the cost, reduces the consumption, the product has a good prospect.

The invention relates to an antiskid and ventilating epoxy floor coating, which comprises base material and powder material with weight mixture ratio of 1 portion of base material and 1-2 portions of powder material. The base material mainly comprises epoxy resin, epoxy hardener and addition agent with weight mixture ratio of 60 portions of epoxy resin, 25 portions of epoxy hardener and 15 portions of addition agent. The invention has the advantages of: 1. no formaldehyde and no VOC after curing; 2. excellent binding capacity with the base material without peeling and hollowing; 3. certain air permeability, thus being capable of avoiding phenomena such as bubbling, cracking, etc., resulted from vapor pressure; 4. high strength and excellent antiskid, wear resistant and impact resistant performances; 5. excellent corrosion resistance and water resistance; 6. certain flexibility and cracking prevention, thereby being capable of avoiding cracking to certain degree.

The invention provides a local repair system and method for a drainage pipeline. a system on the ground comprises a control system, a driving system, a draught fan and a generator set providing a power source for the system on the ground and a downhole system; the downhole system includes a CCTV pipeline inspection robot and a light-curing repairing device; the driving system drives the light-curing repairing device to move inside the pipeline and detect and diagnose the inner part of the pipeline; after breakage points are detected inside the pipeline, a signal is sent to the control system;and after the driving system drives the light-curing repairing device to move to the breakage points, the draught fan conveys the air volume to the light-curing repairing device, and the light-curingrepairing device starts ultraviolet lamps to repair the breakage points inside the pipeline in sequence. In the construction process, a trenchless mode is adopted, the automation degree is high, the strength is low, and the efficiency is high; construction on the ground occupies small space, and the safety is high; no noise and no disturbance to residents exist; the curing efficiency is high; thecuring process is controllable, and can be monitored in real time; the repairing is accurate; and the repairing operation with water is realized through the combination of normal temperature points and ultraviolet ray curing repairing.

The invention discloses a box-building type optical fiber splicing unit capable of being repeatedly opened and used, comprising a front-mounted box assembly used for fixing an optical fiber and a rear-mounted box assembly used for fixing the optical cable coating of the optical fiber, wherein and the front-mounted box assembly and the rear-mounted box assembly are fixedly connected; the front-mounted box assembly comprises a shell, a building cover, a front-mounted box, a V-slot metal block, a lock pin and a guide block, and the building cover is arranged on the shell; the front-mounted box, the V-slot metal block, the lock pin and the guide block are arranged in the shell; the box is provided with floating ribs and building slots; the building cover comprises building arms and building bodies; the building bodies and the building slots fit; the shell is also provided with an opening cover; the opening cover and the building cover are relatively arranged; the opening cover comprises at least one top plate; and the top plate can act on the building arms of the building cover and open the building cover. The optical fiber splicing unit has simple and reliable splicing structure, short site operating time and low overall manufacture cost and greatly reduces the terminating difficulty of optical fiber splicing.

The invention provides a bimetal composite pipe both-side welding process. The process comprises (1) preparations before welding; (2) matrix bottom seal welding; (3) carbon steel matrix thermal weld bead welding; (4) carbon steel matrix filling and cover welding; (5) anti-corrosion lining slope grinding and cleaning; (6) anti-corrosion lining overlaying. The process has the advantages of being high in welding quality, small in labor intensity, low in construction cost and high in production efficiency and particularly applicable to welding of oceaneering composite vertical pipes, liquefied natural gas low-temperature high-pressure anti-corrosion pipes, oil and gas pipes, heating furnace pipes, chemical pipes and the like and applicable to deepwater composite pipe and pressure containing welding.

The invention discloses a mutually-buckled type assembled anti-cracking impermeable permanent column template. Adjacent corner panels are buckled and are connected through an adhesive. The mutually-buckled type assembled anti-cracking impermeable permanent column template can be taken as a column template in a column pouring stage of structures, such as industrial and civil building structures, hydraulic structures, port structures and the like, and can be both taken as a protecting plate and an outer protecting layer of the structure after pouring molding, and can bear a part of load. According to the invention, the template can be made by the following different kinds of materials including a self-compaction ultra-high toughness cement based cementitious material (self-compaction UHTCC), a nonmetallic fiber woven net, a chopped fiber combined enhanced cement based composite material, a steel mesh chopped fiber combined enhanced cement based composite material and the like, and the mutually-buckled type assembled anti-cracking impermeable permanent column template has the characteristics of simple production, convenience for use, high durability, and capability of controlling crack developing.

The invention discloses a bridge anti-collision guardrail and a construction method thereof, Collision barriers include columns, An upper rail and a low rail are respectively sleeved with a buff cylinder and a swirling ring on that upright column, the two ends of the upright column are fix on the upper rail through a limiting seat, the lower rail is provided with a fixing ring on the upright column, the fixing ring is in contact with the limiting seat located below, an L-shaped mounting plate is provided on the upper rail, an L-shaped mounting plate is provided with an anti-collision plate, and a cushioning guardrail plate is provided on the anti-collision plate; The construction method comprises the following steps: (a) route marking; (b) Post positioning; (c) Installation of lower railings; (d) installation of an upper railing; (e) Installation of cushion shields; (f) Installation of bumper plates; (g) Installation of remaining uprights. The anti-collision guardrail of the inventionhas the advantages of high stability, convenient installation, cushioning and anti-collision, high safety, easy operation, orderly and reasonable construction, fast and convenient construction, time and labor saving, low construction intensity and convenient maintenance in the later period. The invention has the advantages of high stability, convenient installation, cushioning and anti-collision,high safety, easy operation, orderly and reasonable construction method, fast and convenient construction, and low construction intensity.

A high-low pressure integrated roadway grouting reinforcement method is applicable to coal mine roadway support projects. Aiming at deformation and fracture of surrounding rocks of a roadway and fracture distribution rules, injected holes of the surrounding rocks of the roadway are subjected to grouting in sequence by means of low-pressure grouting and high-pressure grouting. The method includes: drilling a rock mass to a designed depth, installing a grouting pipe, and sealing holes with cement; subjecting the roadway surface to guniting to form a surface guniting layer; connecting pipelines, starting a grouting pump, subjecting the superficial rock mass to low-pressure grouting, increasing the grouting pressure after the diffusion range meets design requirements, and opening an expansion pipe under the action of high grouting pressure. The expansion pipe is expanded to stop grout flowing to the superficial surrounding rocks along the grouting holes, so that diffusion of the grout to the superficial rock mass is prevented. The deep rock mass is grouted by high-pressure grout through the grouting pipe to realize high-pressure grouting of the deep surrounding rocks.

The invention relates to a high-temperature cable direct reading five-parameter logging instrument for thermal recovery of heavy oil and dynamic tests of high-temperature wells, which comprises a shell of the logging instrument, an upper connector of the logging instrument, a heat absorber, a natural gamma circuit, a road data acquisition circuit, a magnetism positioning circuit, a pressure sensor, a heat resistance guiding section, a temperature sensor, a flow sensor, a centralizer, a ground control system, a high-temperature cable and a high-temperature cable head, wherein the electronic components, the pressure sensor and the like of the logging instrument are arranged in a high-temperature metallic insulating shell; the natural gamma circuit, the road data acquisition circuit, the magnetism positioning circuit and the pressure sensor are in circuit connection to acquire data of natural gamma, magnetism positioning, pressure, temperature and flow; the heat absorber generates heat at two ends of the natural gamma circuit, the road data acquisition circuit, the magnetism positioning circuit and the pressure sensor; and the heat resistance guiding section is used for carrying out heat insulation and pressure conduction to transfer signals generated by each component to the ground control system. The logging instrument solves the problem that logging liquid and cables can be damaged easily at high temperature in the prior art, and the logging instrument can be used for thermal recovery of heavy oil and dynamic tests of high-temperature wells.

The invention discloses a general construction method for a partially ground-anchored cable-stayed suspension bridge, which belongs to the technical field of bridge construction. According to general construction method for the partially ground-anchored cable-stayed suspension bridge, a cable-stayed area girder section and a suspension area girder section of the cable-stayed suspension bridge are simultaneously erected and constructed; before the construction of the cable-stayed suspension bridge, a reasonable completed bridge state of the cable-stayed suspension bridge is determined by using a reasonable completed bridge state determining method which takes stiffness distribution into consideration; and during the construction of the cable-stayed suspension bridge, the closing of a cable-stayed area girder section girder and a suspension area girder section girder is finished by using a closing method for the cable-stayed suspension bridge. As the cable-stayed suspension bridge is erected by using the general construction method disclosed by the invention, the girder erecting speed can be effectively increased, a problem that solidified parts formed after a pylon and girder temporarily solidifies bears a greater horizontal force can be avoided, the construction period is greatly reduced and the construction strength is reduced.

The invention discloses an inhibitor with sustained release property and a preparation method thereof, and the inhibitor is characterized by comprising the following steps of preparing a polymer emulsion by evenly mixing 10-20% of polymer, 79-89% of solvent and 1% of surfactant according to the percentage of the total weight of the prepared emulsion, further adding 4-9 times of the weight of the polymer emulsion of an inorganic salt type inhibitor, stirring for 2-3 hours at the temperature of 40-50 DEG C, drying an obtained product for 6-8 hours at the temperature of 60-80 DEG C, smashing and then obtaining the inhibitor product with the sustained release property. The preparation method is simple and easy to operate, the obtained product can be sustainedly released during the prevention and control process of coal spontaneous combustion of a mine, thereby prolonging the time of flame retardance; the residual polymer is covered on a coal layer, thereby also playing the roles of oxygen isolation and inhibitation; furthermore, the polymer can utilize waste plastics, and the preparation and the using process can not cause harm to environment, thereby having great application prospect.

The invention relates to a diversion construction method of a wide-riverbed dam type hydropower station, aiming at providing a diversion construction method of the wide-riverbed dam type hydropower station for shortening the total time limit of hydraulic power station engineering. According to the technical scheme provided by the invention, the method comprises the following steps: a, firstly building a diversion building on one side of a riverway; b, while building the diversion building, carrying out temporary cofferdam construction on a riverbed on the other side of the riverway; c, after the temporary cofferdam construction is finished, surrounding a foundation pit by a temporary cofferdam and riversides for discharging water, and carrying out construction on a large dam; d, after the diversion building has overflowing conditions, extending the upper reach and the lower reach of the temporary cofferdam to the other side of the riverway so as to form an upper reach main cofferdam and a lower reach main cofferdam; e, discharging water in the foundation pit between the upper reach main cofferdam and the lower reach main cofferdam to form a dry construction environment; and f, carrying out full-scale construction of the large dam or a factory building between the upper reach main cofferdam and the lower reach main cofferdam. The diversion construction method is suitable for the pivotal arrangement design and construction of the arrangement in a stage diversion manner adopted by the wide-riverbed dam type hydropower station.

The invention discloses a novel efficient assembly-type reinforced concrete composite beam, and belongs to the technical field of bridge construction. The novel efficient assembly-type reinforced concrete composite beam comprises a concrete bridge deck and a steel girder; the concrete bridge deck is arranged on the steel girder; a top flange plate of the steel girder is fixedly connected with a ribbed plate extending in the vertical direction of the steel girder; the bottom of the concrete bridge deck is provided with a channel extending in the vertical direction of the steel girder; the ribbed plate is arranged in the channel; two side edges of the top flange plate are fixedly connected with rubber sealing strips extending in the vertical direction of the steel girder; the bottom surface of the concrete bridge deck is in lap joint with the rubber sealing strips; the top flange plate, the rubber sealing strips, the bottom surface of the concrete bridge deck, and the channel of the concrete bridge deck defines a grouting channel; and the grouting channel is filled with a high-strength pouring sealant material. According to the invention, a series of problems brought by processing of reinforced concrete connecting pieces and cast-in-place of jointed concrete are effectively avoided, the construction quality is guaranteed, at the same time, the on-site work efficiency is improved, and the novel efficient assembly-type reinforced concrete composite beam is more environmentally friendly, and has good economic benefits.

The invention discloses a construction method for the hoisting and emplacement of crossbeams of an arch-first and beam-later tied arch bridge, comprising the steps as follows: a. a pulley block (4) is serially wound; b. a guide wheel is fixed; c. a hoist is installed; d. a travelling rope (6) coils the guide wheel and then is connected with the hoist; e. the steps of a-d are repeated; f. the crossbeam (105) is transported below the hoisting point; g. a bundled wire rope (9) is fixed with the crossbeam (105); h. the hoist is started and the crossbeam (105) is hoisted and emplaced; i. the crossbeam (105) is fixed; j. the bundled wire rope (9) is disconnected with the crossbeam (105); k. the pulley block (4) is removed; l. the steps of f-i are repeated and another crossbeam (105) is hoisted and emplaced; and m. the steps of j-i are repeated for a plurality of times and all the crossbeams (105) are hoisted and emplaced. The construction method for the hoisting and emplacement of the crossbeams of the arch-first and beam-later tied arch bridge has low construction cost, short construction period, small interference due to environment factor, and small hidden safety trouble.

The invention discloses a keel embedded-buckled assembling anti-cracking anti-seepage permanent cylinder shuttering, which comprises shuttering corner panels and connecting pieces. The invention can be used as a cylinder shuttering in cylinder pouring phases of structures such as industrial and civil building structures, hydraulic structures, harbor structures, and the like, and can be used as a protection plate and an outer protective layer of the structures after pouring molding, and bear a part of loads. The shuttering provided by the invention can be made of the following different kinds of materials: ultrahigh-toughness cement-based composite materials UHTCC, cement-based composite materials reinforced by nonmetal fiber meshes combined with short fibers, cement-based composite materials reinforced by steel wire meshes combined with short fibers, and the like, and has the characteristics of simple manufacturing, convenient usage, high endurance, and crack extension controllability.

The invention discloses a construction platform for housing construction engineering. The construction platform comprises a frame body, a platform part matched with the frame body and a driving part matched with the platform part. The platform part comprises a plurality of first plates, second plates, connecting plates and driving pieces, wherein each second plate is arranged between every two adjacent first plates, and the connecting plates are used for connecting the first plates with the second plates. The first plates are movably connected with the second plates, and the driving pieces arematched with the first plates and the second plates to drive the first plates and the second plates to be opened in a sector shape. By arranging the first plates and the second plates, under drivingof the driving pieces, the first plates and the second plates can form into the shape approximate to a sector, a worker gets close to a wall as much as possible during construction advantageously, worker construction is facilitated, worker construction safety is improved, the construction efficiency is improved, and the construction strength is lowered.

The invention relates to a concrete member mending agent which comprises concrete, coal ash, mineral powder, quartz sand, redispersible gelatine powder, water-retaining agent and thixotropic lubricant. The invention further relate to preparation method and construction method of the mending agent. The color of the mending agent is basically consistent with the color of a concrete member after hardening, and the mended concrete member has good appearance. The mending agent provided by the invention has longer service life, is wipe-wash-resistant and high in binding strength, and no secondary cracking can occur after mending. The preparation method and the construction method are simple and easy to implement.

The invention provides a light inorganic fireproofing composite material for tunnel, which is compounded by three layers of materials from inside to outside; the first layer is spray inorganic fireproofing material, the components of which comprise inorganic fireproofing fiber, expanded vermiculite powder, expanded graphite powder and ordinary Portland cement; the second layer is surface fireproofing material, the components comprises ordinary Portland cement, mica powder, gypsum and talcum powder; the third layer is fireproofing decorative material, which is a fire-retardant single-side composite aluminum foil. The composite material has the advantages that: the fire endurance is high; the thermal conductivity in hydrocarbon fire scene is extremely low; the fireproofing result is excellent; the self quality loss in fire is less without melting and dropping; the weight is light; the weathering is good; the sound-absorbing is good and the high-frequency drying reduction is obvious; the cost is low; the construction strength is less and the charge is low; furthermore, the ornament is good and the surface is smooth and beautiful surface, thereby the invention can mainly be used in the fire protection for the tunnel wall.

An air conditioner which uses earth energy to heat exchange room air with underground layer of constant temperature includes mainly underground water pool, U heat exchanger, fan, air pipe, modulator and relevant control circuits. It is normally used to regulate the temperature for flat house or villa and it is an ideal green air conditioner which sets the underground water pool in between 7-10 meters of constant temperature layer having average temperature of the year at local area as the stored water carrys on heat exchanging with adjacent underground layer for heat balancing. It absorbs theroom air into U heat exchanger dived in the strored water to raise exchanging result and to send it back room for regulating the room temperature with not extracting any water and the energy comsuption only as 40% or below of the existing air conditioner.

The invention discloses a construction method for reversely removing a floor slab by using a chain saw. The construction method comprises the following steps: locating and paying off, respectively arranging longitudinal cutting lines which are parallel to each other at two sides of a to-be-removed floor slab along the length direction, arranging a plurality of horizontal cutting lines which are vertical to the longitudinal cutting lines between the two longitudinal cutting lines at intervals, and dividing the to-be-removed floor slab into a plurality of blocks; forming chain saw lacing holes in connected positions of the horizontal cutting lines and the longitudinal cutting lines on the to-be-removed floor slab, forming a hoisting hole in each block; putting the chain saw under the to-be-removed floor slab, and horizontally cutting the to-be-removed floor slab along each horizontal cutting line; after longitudinally cutting the to-be-removed floor slab from outside to inside one by one along the two longitudinal cutting lines, respectively putting down the blocks until completing the cutting and the putting down of all blocks. According to the construction method disclosed by the invention, the floor slab which has an limited upper space and is difficult to forwards remove is subjected to reverse removing construction, the problem that removing construction cannot be successfully carried out is solved, high-strength construction of large-area excavation during the reverse removing construction is removed, and the construction efficiency of removing the floor slab under a special condition is increased.

The invention relates to a blasting method in a reinforcing and reconstructing construction of hydraulic engineering. Partial structures in an original building need to be necessarily disassembled during reinforcing and reconstructing engineering construction, and blasting demolition can be adopted on the partial structures. The blasting of a demolition body part mainly adopts a control blasting technology. The control blasting is used for reasonably determining the positions, the hole distance, the hole depths of blasting holes, the explosive amount and an initiation manner according to certain technological measures, strictly controlling the blasting energy and the blasting scale, and enabling the blasting sound, the blasting vibration, a destruction area and a scattering degree range and a dumping direction of broken objects to be controlled within a specified limit. The influence on part structures is reserved when the original building is blasted, the judgment can be carried out by adopting a sound wave detecting and vibration monitoring combining method, blasting parameters can be adjusted according to a detecting result, and the safety of an engineering structure can be ensured.

The invention provides an interlocking dismountable anti-cracking anti-seepage permanent template. A column of second panels and multiple columns of first panels are connected to form a template, the cross sections of each first panel and each second panel are of a concave shape the two sides of which are provided with walls, and each first panel and each second panel are made by adopting the following materials: ultra high toughness cementitious composite (UHTCC), a non-metal fiber woven mesh and a short fiber combined reinforced cementitious composite and a steel wire mesh and short fiber combined reinforced cementitious composite. The interlocking dismountable anti-cracking anti-seepage permanent template disclosed by the invention is used as a template in a pouring stage and is a permanent template after pouring is completed, dismounting and turnover costs are eliminated, and the problems of dismounting in template construction of a hydraulic structure, a seaport structure and a bridge, culvert and tunnel and utilization rate are solved. The interlocking dismountable anti-cracking anti-seepage permanent template disclosed by the invention has the characteristics of high stretching drawability, high crack control ability, high damage tolerance and strong energy absorption capability, anti-chlorine ion permeability and water resisting property of the interlocking dismountable anti-cracking anti-seepage permanent template disclosed by the invention are far better than those of common concrete, and the durability and service life of a concrete structure can be obviously improved.

The invention discloses a concrete joint waterproof construction technology and a construction device thereof. The concrete joint waterproof construction technology comprises four construction steps.The concrete joint waterproof construction device comprises a mobile heating module, the mobile heating module comprises an elliptic shell, two end covers, a plurality of heating plates matched with arc-shaped grooves in shape, and four driving mechanisms, and the two ends of the elliptic shell are of open structures. According to the concrete joint waterproof construction technology, the construction difficulty is low, in addition, the construction steps are simple, most importantly, constructed concrete joints are good in waterproof capacity, the waterproof capacity can be kept for a long time, and possible water leakage hidden dangers are completely eradicated. The concrete joint waterproof construction device is simple in structure and convenient to operate and control and does not need to be pushed forwards manually, the construction strength can be effectively reduced, and moreover, the construction efficiency can be effectively improved.

The invention discloses an internal expansion ring method pipe joint repair construction method, solves the problem of incapability of quickly and effectively repairing pipes in the prior art, and achieves such effects as high construction speed, no construction limitation from the ground and the environment, low cost and no limitation to the joint repair from the pipes. The internal expansion ring method pipe joint repair construction method comprises the following steps: working pits are excavated along pipelines in a construction site by every other set distance; the pipes are cut for breakage in the working pits to drain water remained in the pipes; pipe joints are cleaned and filled; sealing strips are bonded on the inner walls of the pipes in the pipe joints; internal expansion ringsare clamped in annular grooves of the sealing strips, and set pressure is applied to the internal expansion rings; two ends of the pipelines are blocked, and the pipe flushing time is set; steel pipes are arranged in the breakage places of the pipes to join the broken pipes; and the working pits are backfilled to recover pavements.

The invention discloses a treatment and construction method of a super-pouring pile head. A reinforcement cage is manufactured, and the reinforcement cage comprises a main body reinforced bar and a spiral reinforced bar, wherein the main body reinforced bar comprises a plurality of longitudinal reinforced bars which are mutually parallel to each other, are vertically distributed on the same circumference at equal intervals and are encircled to form a columnar structure; the spiral reinforced bar is spirally circled on the outer side of the columnar structure formed by encircling the pluralityof longitudinal reinforced bars; the top parts of the longitudinal reinforced bars are bent to separately form first bending reinforced bars and second bending reinforced bars; a sleeve is sleeved onthe columnar structure formed by the second bending reinforced bars; and the reinforcement cage is put in a pile hole, drilling is carried out and then concrete is poured, the reinforcement cage is annularly cut to the position of the sleeve after the concrete is condensed to a certain extent, the annularly-cut pile head is removed, and the first bending reinforcement is drawn out of the concrete.According to the treatment and construction method of the super-pouring pile head disclosed by the invention, the construction strength is reduced, the construction cost is reduced, the constructionnoise is reduced, the construction period is shortened, and the construction efficiency is improved.