84results about How to "Improve construction technology" patented technology

The invention discloses a respirable high-flame-retardance outer-wall facing material, which comprises redispersible latex powder, an organic-silicon water repellent, methylcellulose ether, a defoaming agent, an air-entraining agent, lignocellulose, a thixotropic lubricant, silicate cement, heavy calcium powder, fly ash, calcium hydroxide, starch ether, calcium formate and colored quartz sand. The respirable high-flame-retardance outer-wall facing material has the advantages of reasonable proportion, energy saving and environmental protection, and not only are the quality and the service lifeof an outer-wall heat-preserving system ensured, and heat-preserving heat-absorbing heat-storing performances are enhanced, but also the service life of a building wall body is greatly prolonged.

The invention discloses a comprehensive construction method for a pre-cut groove loop-sealing double-wall steel cofferdam deep water foundation. The method includes the following steps that (1) a trestle and a platform are set up; (2) pile foundation construction is performed; (3) a rotary excavating drill is used for precutting of grooves in a riverbed at the double-wall steel cofferdam blade foot position; (4) cofferdam splicing is conducted; (5) a cofferdam tripping system and a continuous jack are installed; (6) cofferdam tripping is carried out; and (7) the cofferdam bottom is sealed. According to the comprehensive construction method for the pre-cut groove loop-sealing double-wall steel cofferdam deep water foundation under complicated geological conditions, the construction technological level is perfected and improved, the purpose that the construction technology is advanced, reasonable, economical and safe is achieved, experience is provided for similar construction, and an important guiding function is provided for deep water foundation construction and cofferdam construction works.

The invention discloses a floating building structure and a construction method. The floating building structure and the construction method are suitable for floating building structures and construction in coal mining subsidence water areas. The building structure comprises a floating base, a structure body and a floating module. The floating base and the structure body borne by the floating base compose the floating module and are fixed through an underwater gravity type foundation. The gravity type foundation is connected with the floating module through a traction part or connected in an inserted mode through a pile foundation. The construction method includes the following steps that the structure body is borne by the floating base and the position of the structure body is fixed through the traction part or the pile foundation. The floating building structure and the construction method have the advantages that a water floating construction mode has the advantages of being advanced in construction technology, strong in anti-permeability, light in dead weight, good in durability, strong in flexibility and the like on the building technology level, the building can be protected to some extent, and damage caused by natural disasters such as floods can be well dealt with. The problem of resident placement of a coal mining subsidence area can be solved locally, and a novel construction manner and a novel residential pattern are provided for urbanization. New living space is expanded, the requirement for construction land is met, and the contradiction between people and the land is relieved.

The invention relates to a middle roof modular structure and a railway vehicle. The middle roof modular structure comprises a middle roof plate. The two sides of the middle roof plate are fixedly provided with lamp belts, hanging beams are fixedly arranged on the positions above the lamp belts, the middle roof plate, the lamp belts and the hanging beams are of a U-shaped structure as a whole and hung on a vehicle roof steel structure. According to the middle roof modular structure and the railway vehicle, the middle roof plate, the lamp belts and an air flue inner cavity are integrated to form the modular structure, the modular structure is high in modular degree, the assembling efficiency can be improved greatly, and the production cost is lowered.

The invention provides a CRTS III type slab ballastless track self-compacting concrete casting tooling and method. The casting tooling comprises a base slab, a track slab, a transferring hopper, a casting funnel, a slurry blocking template, a three-dimensional fine regulator, a track slab pressing device, a track slab lateral sliding preventing device and a slurry blocking template pressing device. The middle casting mode is changed into the lateral surface casting, and the problems of casting efficiency and air exhaust in the CRTS III type slab ballastless track construction are solved. The track slab lateral sliding preventing device, the track slab pressing device and the slurry blocking template pressing device effectively solve the problems of upward floating, lateral sliding and slurry leakage of the track slab in the casting process, so the fine regulation and the casting construction of the CRTS III type slab ballastless track are more convenient and fast, and the casting quality is better. The construction process has the advantages that in the use process, the weight is light, the rigidity is high, the efficiency is high, the operation is simple and convenient, the work intensity is low, and the construction process can adapt to the construction of road segments such as bridges, tunnels and roadbeds.

The invention discloses a construction structure of a cylindrical die, relates to the technical field of building construction and relates to design technology of an auxiliary tool for building construction, in particular to the construction structure of the cylindrical die. The construction structure is characterized in that the outer side of a hollow cylindrical template is fastened by muffling the template by steel strip post hoops at equal intervals; the hollow cylindrical template is vertically inserted into the middle of a dual-row scaffold; templates are overlapped to required height, and seams are connected by the steel strip post hoops; at the two thirds elevation of the cylindrical die, a throwing support structure used for guaranteeing the perpendicularity and the stability of a post is arranged. The construction structure has the positive effects that a post hoop material is simple, construction is convenient to perform, and a cylinder reinforcing effect is good; the safety of workers during construction can be guaranteed by the dual-row scaffold which encloses a cylinder; throwing support steel pipes and short steel pipes form a whole, so that the stability of the cylinder and the perpendicularity of concrete can be effectively controlled; the problem of poor reinforcing quality of a cylinder in a construction field is solved by the structure, and the construction process is improved.

The invention discloses a three-way positioning device for a base steel anchor box. The three-way positioning device comprises a profile steel base, a steel pipe bracket system and a jack fine-adjustment system, wherein concrete embedded steel plates are welded at the bottom of the profile steel base and arranged in a # shape; the steel pipe bracket system comprises steel pipes and flat joints; the four steel pipes are vertical to the middle of the profile steel base respectively; the flat joints are arranged on the four steel pipes and divided into upper and lower layers; the jack fine-adjustment system comprises jacks and jack rear seats; the number of the jacks is 16; the 12 jacks are arranged on the jack rear seats welded on the profile steel base; the 8 jacks are arranged in an X-axis direction; the 4 jacks are arranged in a Y-axis direction; and the rest 4 jacks are flat jacks and are arranged at the two edges on the inner sides of the two vertical edges of the # shape of the profile steel base in a z-axis direction respectively and directly arranged on the bottom concrete surface. The three-way positioning device solves the problem of difficulty for positioning in the cable tower base steel anchor box, has the characteristics of simplicity for operation, convenience for construction, accuracy for positioning, high work efficiency and the like, lowers the construction difficulty and saves the construction cost.

The invention discloses a composite insulation board and a production method thereof. The composite insulation board is formed by compositing a calcium silicate panel, glass fiber gridding cloth and lightweight concrete. The production method of the composite insulation board comprises steps as follows: the alkali-resistant glass fiber gridding cloth is fixed on an inner parathion of a vertical mold, and the calcium silicate panel with bonding holes leans in the mold; fly ash, polyphenyl foam particles, low-alkalinity sulphoaluminate cement, polyvinyl acetate glue powder, polyvinyl alcohol reinforced fibers with high modulus of elasticity, a sodium methylsilanolate water repellent, an efficient polycarboxylic acid water reducer and water are sequentially added to a stirrer in proportion and evenly stirred to form slurry; the slurry is pumped into a vertical mold through a high-pressure slurry pump; the slurry is demolded after curing and hardening and subjected to film winding, packaging and curing. The composite insulation board is high in strength and good in thermal insulation and fire prevention; the production method is simple and easy to implement due to adoption of ingredient stirring and pouring molding by the vertical mold. During usage, the construction technology is simple, the speed is high, time and labor are saved, and the economic benefit is significant.

The invention discloses a long-span truss construction method and a long-span truss structure. The construction method includes steps that a, preparatory workis performed, specifically, a1, supportingscaffolds are erected, a2, lateral sliding tracks are laid, and a3, longitudinal sliding tracks are laid; b, truss assembly and lateral sliding are performed, specifically, b1, space stabilizing frames are assembled, b2, the space stabilizing frames are subjected to synchronous traction to slide, and b3, the steps b1 and b2 are repeated to form a group frame; c, jacking in position and track transition of the group frame are performed, specifically, c1, the group frame is jacked in position and then supporting legs are installed on the group frame, and c2, the group frame is placed on the longitudinal sliding tracks; and d, longitudinal sliding of the group frame and frame assembly forming are performed, specifically, d1, the group frame is slid, d2, the group frame is jacked up and supports are cut off and the tracks are partially slid, and then finished supports are installed on the group frame, and d3, the steps d1 and d2 are repeated, and a frame assembly is formed.

The invention discloses a bridge thin-wall high pier hydraulic slip-form construction method. The method includes the steps that (1) the thickness of concrete poured for the first time ranges from 60cm to 70 cm, the concrete is poured in three layers, and trail lifting can be conducted when the intensity of the concrete in the bottom layer reaches 0.2 MPa to 0.4 MPa; (2) before the concrete is grouted, a layer of 1:1 cement mortar with the thickness between 2 cm and 3 cm should be poured into a formwork, the concrete is peripherally evenly and symmetrically poured into the formwork and vibrated through an immersion vibrator, the vibration direction is changed frequently, a climbing rod and the sliding lift formwork are prevented from being directly vibrated, the immersion depth of the vibrator cannot exceed 50 mm in the concrete in the lower layer, and vibration is stopped in the sliding lift process of the sliding lift formwork; and (3) after initial sliding lift is conducted, the sliding lift formwork is lifted once each time one layer of the concrete is poured, at the normal air temperature, the pouring thickness of each layer of the concrete is 20 cm, and the lifting time doesnot exceed 1 hour. The bridge thin-wall high pier hydraulic slip-form construction method is provided and has the beneficial effects that a pier body is continuously poured to the designed height atone time, the automation degree is high, the speed is high, and work efficiency is high.

The invention provides an immature soil composite and a construction technology of a wall structure thereof. The immature soil composite comprises the following components in parts by weight: 200-500 parts of clay, 20-50 parts of vegetable fat, 0.5-2.0 parts of plant fiber, 0-5 parts of quick lime, 500-1200 parts of sand and 150-250 parts of water. The immature soil composite provided by the invention mainly takes plant fiber, vegetable fat and sand as modifying materials; the plant fiber has reinforcing and toughening functions, can promote the strength and shock resistance of the immature soil composite and can reduce the shrinkage of the material; the vegetable fat, the clay and the quick lime are mixed and used together, so that the mutual physical and chemical reactions are generated, the strength of the composite is higher than the strength of the traditional lime soil composed of clay and quick lime and the toughness is better; the sand is mainly used for increasing the volume stability of the immature soil composite; and the plant fiber, the vegetable fat, the sand, the clay and the quick lime are formed into the immature soil composite.

The invention discloses a construction method of a fabricated underground diaphragm wall. The construction method comprises the following steps of prefabricating a fabricated underground diaphragm wall structure, carrying out pre-trenching or pre-stirring of a soft soil stratum, inserting the fabricated underground diaphragm wall structure into a trench or the stratum through fabricated underground diaphragm wall structure insertion equipment for connection, excavating a foundation pit, carrying out pouring on crown beams and permanent and temporary combined purlin structures, erecting supports in a following mode, constructing a waterproof layer and a body structure, and then dismantling a supporting structure. According to the construction method, construction is flexible, the structureis simple, and the construction process is reliable; space occupation of a construction site, for example, space occupation of steel bar processing and concrete pouring can be reduced, influences on the surroundings are reduced, the mechanical level and construction efficiency of a project can be improved, the workload of the construction site is reduced, moreover, the underground diaphragm wall pouring quality can be improved, and the project scrap rate is decreased; and the construction method has high applicability and operability and is safe and reliable.

The invention discloses glass and benzene composite thermal insulation mortar, which is prepared by the following steps of: weighing cement and mineral powder according to weight part, putting into a mixer, weighing polypropylene fibers, redispersible latex and cellulose ether, putting into the mixer, and uniformly stirring to form a premix; respectively weighing the premix, vitrified micro bubbles and polystyrene granules, adding into a spiral ribbon mixer, stirring the three materials uniformly, and completely opening a bin gate at the bottom of the mixer to obtain the uniformly stirred glass and benzene composite thermal insulation mortar; and packaging the glass and benzene composite thermal insulation mortar by using a packaging machine. The glass and benzene composite thermal insulation mortar has the advantages of low water absorption, small conductivity factor, high strength, and good thermal insulation performance, the flammability can be greatly reduced, the construction efficiency is improved and the manpower is saved.

The invention provides a basic guide rail for a helicopter assembly transmission line iron tower leg section, which comprises a guide plate, a guide plate rib plate, a hoop and a small rib plate, wherein the guide plate rib plate is arranged under the guide plate; the hoop is arranged at the lower end of the guide plate rib plate; and the small rib plate is arranged between the guide plate rib plate and the hoop. The guide plate provides guiding function for hoisting and positioning a tower leg section by a helicopter; the guide plate rib plate provides support for the guide plate and transmits the impact force of the hoisted tower leg section stressed by the guide plate to the hoop; the hoop is used for connecting the guide rail and a tower leg base; and the small rib plate can improve the local impact resistance of the guide rail. The basic guide rail has the advantages of simple structure, convenience of manufacture, load transmission without connecting piece with the tower leg base, installation of the basic guide rail without modification of the tower leg base, use for helicopter assembly for various self-supporting iron tower leg sections, high universality and wide application range.

The invention discloses an anti-seepage structure for a balcony. The anti-seepage structure comprises a waterproof coating layer, a coiled material waterproof layer, an anti-seepage film layer and a protecting layer, the protecting layer comprises a supporting plate layer and a ceramic tile layer which are arranged from bottom to top, the supporting plate layer is formed by supporting plates in anassembled mode, clamping blocks are arranged on the corners around the top face of each supporting plate correspondingly, the ceramic tile layer is formed by ceramic tiles in an assembled mode, clamping grooves are formed in the corners around the bottom face of each ceramic tile correspondingly, and the clamping blocks and the clamping grooves are matched. A construction method comprises the following steps of (1) base layer treatment, (2) treatment of the waterproof coating layer, (3) laying of the coiled material waterproof layer, (4) layering of the anti-seepage film layer and (5) layingof the protecting layer. The anti-seepage structure for the balcony is ingenious and reasonable in overall structural design, through the anti-seepage structure, the anti-seepage effect of the balconycan be improved effectively, the protecting layer is divided into the supporting plate layer and the ceramic layer, the waterproof effect of the balcony can be further improved under the situation ofensuring the surface attractive degree of the balcony, and the upper ceramic tile layer can also be conveniently laid through the supporting plate layer.

The invention discloses a self-adhesion type ethylene propylene diene monomer waterproof roll. The self-adhesion type ethylene propylene diene monomer waterproof roll comprises a silicone oil paper layer, a butyl adhesive layer, an EPDM layer and a PE film which are arranged from bottom to top in turn; the butyl adhesive layer comprises the following components in parts by weight: 40-60 parts of butyl rubber (1751), 30-50 parts of polyisobutene (1200), 5-10 parts of C5 resin, 10-20 parts of chlorinated paraffin and 100-200 parts of talcum powder; the EPDM layer comprises the following components in parts by weight: 40-60 parts of EPDM (3092), 50-60 parts of carbon black (N550), 10-20 parts of softening agent, 5-10 parts of vulcanizing agent and 10-20 parts of talcum powder. According to the structure arrangement of the device, the butyl adhesive material is used as an adhesive layer, so that the phenomena of high adhesion and water leakage under low temperature can be effectively solved; the adhesive layer can be coated on the EPDM roll in advance, so that the trouble of on-site adhesive coating required in the construction process can be avoided; and the release paper of the roll can be directly torn off and the roll can be directly paved in the construction process.

The invention discloses a protection material for marble energy curing surface treatment and a production technology, relates to improvement of marble chemical materials, and particularly relates to a protection material for marble curing surface treatment. In order to achieve the target, the protection material for marble energy curing surface treatment is prepared from the following components in the formula: diethylene glycol diacrylate, tripropylene glycol diacrylate, trimethylol propyl triacrylate, trimethyl benzoyldiphenyl phosphine oxide, hydroxycyclohexyl ketone, a photoinitiator, high-functionality urethane acrylate, aliphatic polyester, a modified dilute acid ester polymer defoaming agent, a fluorine-modified polysiloxane polymer and silsesquioxane. Existing multiple materials with a single function are replaced, the procedures are combined, and existing air drying or heat drying non-environment-friendly auxiliary raw materials are replaced with energy (UV/EB) curing, so that the construction efficiency is increased, the technology is improved, the density, the glossiness and the surface protecting performance of a stone are improved, the waterproofing, antifouling and corrosion-resistant targets are achieved, the production cost is directly reduced and multiple items of indirect cost are reduced.

The invention provides a self-adjusting baseboard installation structure. The self-adjusting baseboard installation structure includes a baseboard main board and a baseboard hanging board, a groove isformed in the back of the baseboard main board, the groove is internally provided with an adhesive, a clamping groove is formed in the bottom of the baseboard main board, the opening direction of theclamping groove is vertical downward, the structure of the baseboard hanging board is in a C shape, the top of the baseboard hanging board is clamped in the clamping groove, and the opening directionof the baseboard hanging board is towards the base course surface. The baseboard main board and the baseboard hanging board clamped in the clamping groove are integrally glued to the base course surface through the adhesive. The top of the baseboard main board extends upwards to the wall panel finish, and the bottom of the baseboard hanging board abuts against the ground finish. According to theself-adjusting baseboard installation structure, self adjusting can be carried out to complete the installation in the case of uneven ground. The construction process is simple, disassembly and assembly are convenient, the construction efficiency is greatly improved, and the construction cost is reduced.