CN105952140A - Cast in situ concrete tool type steel frame wood plastic template system and construction method thereof - Google Patents

Abstract

Tool-type steel frame wood-plastic formwork system for cast-in-place concrete, including tool-type steel frame wood-plastic formwork, tool-type angle steel frame column formwork, tool-type variable-length column hoop, tool-type beam formwork support, quick-support bracket, and bracket top The connection seat, the above-mentioned systems are connected to each other to form a tool-type steel frame wood-plastic formwork system for cast-in-place concrete, and the construction technology of the tool-type steel frame wood-plastic formwork system for cast-in-place concrete. Concrete frame structure construction technology and reinforced concrete shear wall structure construction technology; the above-mentioned tool-type steel frame wood-plastic formwork system is used, including design, formwork, pouring, formwork removal and other processes. The present invention has standardization, fast assembly, early dismantling, high efficiency, high safety factor, economical and practical, low-carbon environmental protection, resource saving, turnover times can reach more than 500 times, even if the steel back frame cannot be repaired, it can still be fully recycled to produce recycled steel , low comprehensive use cost.

Description

Tool-type steel-frame wood-plastic formwork system for cast-in-place concrete and its construction technology

technical field

The invention relates to a building formwork system and construction technology, in particular to a tool-type steel-frame wood-plastic formwork system and construction technology for cast-in-place concrete, and belongs to the field of construction technology.

Background technique

In today's construction industry, concrete structures occupy a dominant position. The technological innovation and new technology promotion in the field of concrete formwork has broad market prospects. The characteristics of China's formwork industry are the large number of enterprises, small scale, low technical level, and the competition of modern enterprises. It is mainly reflected in the competition of innovation ability, which can continuously carry out continuous innovation on the basis of existing technology, so that the technological development of enterprises can lead the entire industry, and also obtain the competitiveness of enterprises. The most widely used concrete formwork is the "fastener-type steel pipe supported plywood formwork system". The formwork system is composed of support poles, sweeping poles, horizontal tie Adjustable braces, main flute, secondary flute, and plywood constitute the formwork and its erection adjustment system. The formwork system needs to be dismantled as a whole. The process requires the cooperation of many people, and the labor intensity is high, the production efficiency is low, and it is labor-intensive. The spacing between formwork support poles is relatively random, and the construction standards are difficult to implement, resulting in frequent construction problems such as mold runout, grout leakage, and cracking, and even cause formwork collapse accidents. Existence, resulting in a large loss rate of the formwork, the formwork is nailed to the secondary corrugated board after splicing, the formwork of a room is basically a whole, it is impossible to disassemble in small pieces during the demoulding process, often the entire room is dismantled as a whole, it is impossible to do Handling with care will cause a lot of damage to the formwork during the demolition process, increase the loss rate of the formwork, and cause a serious waste of formwork resources.

Contents of the invention

The object of the present invention is to overcome the above-mentioned defects in the existing formwork system in building construction, and provide a tool-type steel frame wood-plastic formwork system and construction technology for cast-in-place concrete.

In order to realize the purpose of the present invention, the following technical solutions are adopted: the tool type steel frame wood plastic formwork system for cast-in-place concrete, including tool type steel frame wood plastic formwork, tool type angle steel frame column formwork, tool type variable scale Column hoop, tool-type beam formwork support, quick support bracket, bracket top connection seat, the tool-type steel frame wood-plastic formwork includes a fixed-length formwork, variable-scale formwork, male corner mold, female corner mold, and the fixed-length template includes a fixed-length mold The rectangular outer frame of the same size, the rectangular outer frame is welded between the long outer frame and the short outer frame, the long outer frame and the short outer frame are angle steel with the same specification, and there are multiple The wood-plastic panels of fixed size are fixedly connected to the outer frame of the rectangle through the holes on the angle steel of the outer frame of the rectangle with anchor bolts; For the angle steel with the same specification, there are multiple holes on the two sides of the angle steel, and the variable-sized wood-plastic panels are fixed and connected to the rectangular outer frame by anchor bolts through the holes on the rectangular outer frame angle steel to form a variable-scale formwork;

The male cornea is an equilateral angle steel, and a plurality of holes are provided on two sides of the equilateral angle steel of the male angle mold, and triangular stiffening ribs are welded on the inner angle of the equilateral angle steel, and the two ends of the equilateral angle steel Triangular stiffening ribs are used for sealing, and the stiffening ribs at both ends are provided with holes for the lengthening connection of the male corner mold; the female corner mold includes the back frame of the female corner mold and the connecting plate surface connected to the back frame of the female corner mold , the size of the connecting plate surface is adapted to the size of the connecting part of the cut-to-length formwork, and a plurality of holes are opened on the connecting plate surface, and the stiffening ribs are welded in the female corner of the female corner mold back frame, and the two ends of the female corner mold There are holes on the sealing stiffener plate of the upper part for the length connection of the female corner mold; the above-mentioned fixed-length template, variable-scale template, male corner mold, and female corner mold are connected to each other through the holes opened on them;

The tool-type angle steel frame column formwork includes a wood-plastic formwork, and a plurality of holes are provided on both sides of the wood-plastic formwork, and a plurality of holes adapted to the positions of the plurality of holes on both sides of the wood-plastic formwork are provided on the two faces of the angle steel. The angle steel frame is made. After determining the center position of the column, the wood-plastic formwork/wooden formwork is applied sequentially around the edge of the column to form the shape of the column. The four outer corners surrounded by the wood-plastic formwork/wooden formwork are provided with angle steel frames. Connect and fix any of the adjacent wood-plastic formwork/wooden formwork with the angle steel frame to form a fixed square column space. The multiple holes on both sides of the wood-plastic formwork are evenly distributed, and the multiple holes on both sides of the angle steel The holes are also evenly distributed, and the limiting pins include pins and pin sheets, and the pins are provided with holes for piercing through the pin sheets;

The tool-type variable-length column collar includes a column collar main rod, a limit slider, and a locking angle steel. The column hoop main rod includes an upper right-angle piece and a lower right-angle piece, and the upper right-angle piece and the lower right-angle piece The same width, the upper right-angled piece and the lower right-angled piece are provided with an intermediate pad, the upper right-angled piece, the lower right-angled piece, and the middle pad are fixedly connected, the two right-angled sides of the upper right-angled piece and the lower right-angled piece Corresponding up and down, the middle pad deviates from the end of the upper right-angle piece and the lower right-angle piece,

The limit slider includes two steel sheets with curved parts at both ends, and the distance between the curved parts at both ends of the steel sheets is greater than or equal to the distance between the upper surface of the upper right-angle member and the lower surface of the lower right-angle member, There is a connecting plate between the two steel sheets, and the two steel sheets are fixedly connected together through the connecting plate. An anchor bolt hole is opened on one of the steel sheets, and the anchor bolt hole is opened in the center of the steel sheet. When in use, the limit slip The steel piece penetrates from the end of the upper right-angle piece and the lower right-angle piece on the main pole of the column hoop, the steel sheet with the anchor hole is located outside, and the bending parts at both ends of the two steel sheets are located on the upper surface of the upper right-angle piece and the lower right-angle piece respectively. On the lower surface, anchor bolts are used to fix the limit slider from the anchor bolt hole. The connecting plate in the limit slider is a mouth-shaped steel, and the steel sheets with curved parts at both ends are welded to the two ends of the mouth-shaped steel. On two opposite surfaces, the thickness of the mouth-shaped steel is less than or equal to the thickness of the intermediate pad;

The locking angle steel is an angle steel with upper and lower holes respectively opened on both sides, and the distance between the center of the upper hole on one surface and the center of the lower hole on the other surface in the vertical direction is greater than or equal to the thickness of the upper right-angle piece, The two holes on the same surface of the locking angle steel are located on a straight line up and down, the two holes on the same surface are greater than or equal to the thickness of the upper right-angle piece, and the two upper holes on the two surfaces are located on the same level. The two lower holes on the surface are located at the same level;

The fixed support of the tool-type beam formwork includes quick support brackets arranged on both sides of the beam, on which the horizontal support bar formed by a cross bar is connected, the beam bottom formwork is supported on the horizontal support bar, and the beam side formwork is placed on the horizontal support bar. Placed on the beam bottom formwork, a female corner formwork is set above the beam side formwork, and a fixed support is connected to the beam bottom formwork. One end of the horizontal support on the beam side is connected to the fixed support, and the other end is connected to the beam side formwork; One end of the side slanting support is connected to the fixed support, and the other end is connected to the female corner mold. The beam side horizontal support and the beam side slanting support have a telescopic structure with adjustable length;

The fast support bracket includes a hollow main rod, the lower part of the main rod is welded with a base, and a roulette is welded at the bottom of the main rod 300mm, which is used to connect the sweeping rod formed by the cross bar, and the roulette is welded at intervals upward for connecting the corresponding The horizontal bar on the height, the roulette on the upper part of the main bar to fix the beam and the horizontal support bar of the bottom mold is a movable roulette, and an adjustable fastener is arranged under the movable roulette, and the top of the supporting main bar is inserted with a connecting support screw, and the screw The upper part is connected with the limit nut, the lower part of the screw is inserted into the main rod, and the upper part of the screw is inserted into the vertical pipe on the connecting seat at the top of the bracket;

The connecting seat at the top of the bracket is a quadrangular frame made of steel plate, and holes for connecting the formwork are provided on the four sides, and a plurality of vertical pipes are fixedly arranged in the quadrangular frame, and the setting positions of the vertical pipes are the same as the main frame of the quick support bracket. The setting position of the rod is suitable, the upper part of the lead screw on the main rod is inserted into the vertical pipe on the connecting seat on the top of the bracket, further, a back is welded between the two long outer frames of the fixed-length formwork in the tool-type steel frame wood-plastic formwork. Corresponding U-shaped brackets are fixed on the two long frames of the variable-scale formwork, and holes are opened on the U-shaped brackets. The back flutes are inserted into the corresponding U-shaped brackets on the two long frames and then anchored by anchor bolts through the holes. The back is fixedly connected in the U-shaped bracket. Further, the upper right-angle piece, the lower right-angle piece, and the middle pad right-angle piece in the main rod of the tool-type variable-length column hoop are made of square steel of the same specification, and the upper right-angle piece , the lower right-angle parts, and the corners of the middle pad right-angle parts are superimposed and welded together. Further, the horizontal support on the beam side and the oblique support on the beam side in the fixed support of the tool-type beam formwork have a telescopic structure with adjustable length: the beam side is horizontal The support and the beam lateral support have an outer casing, and an inner casing is movable through the outer casing, and a plurality of pin holes for fixing are opened on the outer casing and the inner casing, and a nut is fixedly connected to the outer casing at one end , the inner casing at the other end is also fixedly connected with a nut, and a swing bolt is screwed into the above two nuts, and the thread of the swing bolt in the two nuts rotates in the opposite direction. Further, the tool type beam formwork The fixed support in the fixed support includes a right-angle piece, and a fixing hole is opened on one surface of the right-angle piece. The fixed support is connected to the beam bottom formwork through the fixing hole, and a T-shaped connector is fixedly connected to the other surface of the right-angle piece. , the horizontal surface of the T-shaped connector is fixedly connected to the right-angled member, and at least two connection holes are opened on the vertical surface of the T-shaped connector, and the ends of the horizontal support on the beam side and the diagonal support on the beam side are respectively connected to the T-shaped connector. on the connecting hole.

The tool-type steel frame wood-plastic formwork system construction technology for cast-in-place concrete, the construction technology is divided into reinforced concrete frame structure construction technology and reinforced concrete shear wall structure construction technology;

For the construction technology of reinforced concrete frame structure, the following steps are adopted:

Step 1: According to the actual situation of the reinforced concrete frame structure project, according to the formwork support and modulus requirements of the tool-type steel frame wood-plastic formwork system, carry out the design of the concrete structure formwork and complete the construction of the tool-type steel frame wood-plastic formwork Drawings and formwork support layout;

Step 2: Process the back frame of the variable-scale formwork and the surface of the variable-scale formwork according to the construction drawing of the matching plate, prepare the back frame of the fixed-length formwork, the surface of the fixed-length formwork and the formwork support, and carry out according to the construction drawing of the matching plate Numbering;

Step 3: After the working surface of the concrete superstructure is provided, at the same time as the column reinforcement works are bound, the column formwork and formwork support are copied and laid out according to the construction drawing of the matching plate and the layout drawing of the formwork support;

Step 4: After the reinforcement of the column is bound, fasten and connect the four wood-plastic panels and the angle steel frame in the column formwork with pins to complete the assembly of the column formwork, and fasten and lock a set of column hoops to the root of the column formwork. Adjust the horizontal position of the column formwork according to the setting-out position of the column formwork, and fix the column hoop at the root of the column to the floor to limit the horizontal position of the column formwork; install the upper formwork of the column according to the previous steps, set a column hoop every 500mm, and complete it according to the above method Installation of column formwork in this construction section;

Step 5: According to the layout of the formwork support, start interspersing the installation of the formwork support at the bottom of the column side beam at the same time as the column formwork is installed, copy and level according to the elevation of the beam bottom and install the horizontal brace supported by the fixed beam bottom formwork;

Step 6: Install the column formwork braces, correct the verticality of the column formwork, install and fasten the 900mm wide fixed-length formwork as the beam bottom formwork, connect the beam bottom formwork and the column side formwork through the female angle formwork, and lock them with connecting pins , connect all column formwork and beam bottom formwork in this construction section into a whole, increase the integrity of the entire formwork system, avoid formwork displacement when pouring concrete, and complete the installation of the floor formwork brackets in the middle of each room while installing the beam bottom formwork, And according to the requirements of the construction specification, the formwork bracket scissors support should be reasonably set;

Step 7: Spray the formwork release agent to pour the column concrete and maintain it; when pouring the concrete, the 900mm wide beam bottom formwork is used as the pouring personnel channel to ensure construction safety;

Step 8: Use the 900mm wide beam bottom formwork as the construction platform, set out the horizontal position of the beam side formwork, bind the beam reinforcement, and set up cushion blocks;

Step 9: Install the beam side horizontal support and beam side inclined support of the beam side formwork, install the beam side formwork and the female angle formwork connected to the floor formwork, adjust the beam side formwork horizontal position and vertical position through the beam side horizontal support and beam side inclined support degree and fixed;

Step 10: Adjust the limit nut on the screw rod of the formwork bracket, install the column cap of the bracket and the connecting seat at the top of the bracket;

Step 11: Use pins to connect the back frame of the slab formwork with the female corner formwork of the beam side formwork and the connection seat on the top of the bracket, complete the installation of the steel back frame of the slab formwork in this construction section, and carry out leveling;

Step 12: Lay the surface of the floor formwork, fix it with pins and spray the release agent;

The thirteenth step: Bind the steel bars of the floor and set up pads and embedded parts. After the steel bars are bound, pour the beams and floor concrete and maintain them;

Step 14: Remove the oblique support of the column formwork and the formwork on the side of the column;

Step 15: After the beam and floor concrete reach the early demolition strength, remove the beam side formwork support and beam side formwork, remove the floor formwork main board, remove formwork support diagonal braces and some formwork support horizontal tie rods, and retain all support poles and parts The horizontal pull rod and the connecting seat on the top of the bracket realize the early dismantling of the formwork, and the dismantled formwork is turned over to the next floor to continue construction;

Step 16: After the concrete strength of the beam and the floor slab reaches the standard strength, all the formwork brackets and the top connecting support of the vertical pole are removed according to the construction specification requirements, and all formwork components are turned over to the next floor for construction;

For the construction technology of reinforced concrete shear wall structure, the following steps are adopted:

Step (1): According to the actual situation of the reinforced concrete shear wall structure project, according to the formwork support and modulus requirements of the tool-type steel frame wood-plastic formwork system, carry out the design of the concrete structure formwork matching plate, and complete the tool-type steel frame wood-plastic formwork system. The construction drawing of the plastic formwork and the layout of the formwork support;

Step (2): Process the back frame and surface of the variable-scale formwork panel according to the construction drawing of the matching plate, prepare the back frame of the fixed-length formwork panel, the surface of the fixed-length formwork panel and the formwork support, and follow the configuration number the construction drawing of the board;

Step (3): After the working surface of the concrete superstructure is provided, at the same time as the wall reinforcement works are bound, the wall formwork and formwork support are copied and leveled according to the construction drawing of the matching plate and the layout drawing of the formwork support;

Step (4): After the wall reinforcement is bound, use pins to connect the wall formwork into a whole, install the pull bolts, install the main flute of the vertical column formwork, install the diagonal braces and horizontal braces of the wall formwork, and use male Connect the corner formwork to the head plate at the end of the wall formwork, and use the female corner formwork to connect the corners of the wall to complete the assembly of the shear wall formwork;

Step (5): According to the layout of the formwork support, when the shear wall formwork is installed, start to install the floor formwork support, adjust the limit nut on the screw rod at the top of the formwork support, install the bracket cap and the top connection support of the support , and set up formwork support scissors reasonably according to the requirements of construction specifications;

Step (6): Adjust and fix the height of the beam bottom formwork supporting cross bar according to the height of the beam bottom formwork, install the beam bottom formwork to connect the inner corner formwork and the beam bottom formwork, and install the beam formwork to fix the support;

Step (7): Adjust the diagonal braces and horizontal braces of the shear wall formwork, fix the shear wall formwork after correcting the horizontal position and verticality of the shear wall formwork, adjust the beam side horizontal support and beam side oblique support of the beam formwork, and correct the beam side Fix the beam side formwork after the horizontal position and verticality of the formwork, connect the wall formwork and the beam side formwork to connect the female angle formwork of the floor, use pins to connect the floor formwork back frame with the wall side formwork, beam side formwork to connect the female corner formwork and the top connection seat of the bracket Connected, complete the installation of the steel back frame of the floor slab formwork in this construction section, and carry out leveling;

Step (8): Lay the surface of the floor formwork, fix it with pins and spray the release agent;

Step (9): Bind the steel bars of the floor slab and set pads and embedded parts. After the steel bars are bound, pour the shear wall concrete. After the shear wall concrete is vibrated and settled, pour the beam and floor concrete and maintain them;

Step (10): After the concrete reaches the formwork removal strength of the wall side formwork, remove the shear wall and beam side formwork support and the wall and beam side formwork;

Step (11): After the floor concrete reaches the early demolition strength, remove the main board of the floor formwork, remove the diagonal braces of the formwork support and part of the horizontal tie rods of the formwork support, and retain all the support poles, some horizontal tie rods and the top connecting support of the support to realize the formwork Early demolition, the formwork removed early will be transferred to the next floor to continue construction;

Step (12): After the concrete strength of the beam and the floor slab reaches the standard strength, all the formwork brackets and the top connecting supports of the vertical poles are removed according to the construction specifications, and all formwork components are turned over to the next floor for construction.

Further, the method of installing and removing the column hoops is as follows: surround the installed column formwork, make the two column hoop main bars intersect to present a square space and install them on the periphery of the column formwork; adjust the distance between the tool-type column hoop main bars to make the size of the square space Compatible with the size of the peripheral space of the column formwork, the two are close together without gaps; add a column clamp limit slider to the main body of the tool type column clamp, and arrange the limit sliders on the column clamp properly and evenly according to the size of the side length of the square space number; fix the limit slider of the column collar, insert the connecting anchor bolt into the reserved hole of the limit slider on the column collar, and fix the position of the column collar slider; install the column collar limit slider at the intersection of the main body of the tool type column collar, Then use the locking angle steel to fix the tool-type column hoop; when removing it, you only need to remove the anchor bolt, locking angle steel and fixing slider at the cross-fixed part of the column hoop, and the entire column hoop can be removed.

Further, the installation and removal method of the beam lateral support is as follows: the installation of the beam lateral support first determines the approximate length of the beam lateral support according to the distance from the side of the beam, and the larger length passes through the hole position between the two casings. To adjust; connect one end of the beam side inclined support with the fixed support of the inclined support through flat head bolts, rotate the main rod of the inclined support so that the other end is connected with the reinforcing ribs in the female corner mold, and fix it with flat head bolts; the side of the beam When removing the oblique support, first rotate the support rod to make it in a relaxed state, then remove the bolts at the fixed positions at both ends, and then remove the oblique support.

Further, the installation and dismantling method of the fast support bracket is as follows: place the quick support support according to the point determined by the construction personnel, and connect with a cross bar every time two support vertical bars are placed. Four quick support support vertical bars are used as one For the basic unit, the quick-support brackets are evenly arranged horizontally and vertically according to 1100mm starting from the four ends of the room. After the brackets are installed, install the connecting seat on the top of the brackets; poles, and then remove the bracket poles one by one.

The positive and beneficial technical effects of the present invention are as follows:

(1) Standardization, fast support, early dismantling, and high efficiency;

The tool-type steel frame wood-plastic formwork system adopts standardized components, standardized construction technology, standardized support pole spacing and quick support and early dismantling support, so that the entire system can be quickly installed and dismantled; through standardized construction technology, the erection is simpler and more convenient , greatly improving the efficiency of manual construction, shortening the construction period and increasing investment income;

(2) High safety factor, economical and practical;

Through standardized pole spacing, standardized construction technology, and safe and reliable connection components, the safety factor of workers in the construction process is improved; the use of standardized components reduces the cost in the component production process and ensures the convenience of production components, thereby reducing The production price of components has achieved the goal of low cost and high return;

(3) Low-carbon environmental protection, saving resources;

The material of this system is steel and wood-plastic panels. The steel back frame has high strength and high rigidity, and the number of turnovers can reach more than 500 times. Even if the steel back frame cannot be repaired, it can still be fully recycled to produce recycled steel. The comprehensive use cost is low and there is almost no loss. . The new wood-plastic board has high strength, strong wear resistance, easy form removal, and the board surface can be used for 20-30 times. If the board surface does not meet the flatness requirements, the wood-plastic board can be recycled as a raw material for re-production of wood-plastic board. , basically realized full recovery and zero loss. The perfect combination of the new wood-plastic formwork panel surface and the tool-type steel formwork back frame has basically realized the "full recovery and zero loss" of formwork turnover materials. Compared with the traditional formwork system, it improves the turnover rate of the formwork, reduces the resource waste of waste formwork, and realizes low-carbon environmental protection and resource conservation.

Description of drawings

Fig. 1 is a top view of a tool-type steel frame wood-plastic formwork cut-to-length formwork.

Fig. 2 is the front view of the tool-type steel-frame wood-plastic formwork cut-to-length formwork.

Fig. 3 is the left side view of the tool-type steel frame wood-plastic formwork cut-to-length formwork.

Fig. 4 is an overall schematic diagram of a tool-type steel-framed wood-plastic formwork variable-scale formwork.

Fig. 5 is a three-dimensional schematic diagram of the long frame of the tool-type steel-frame wood-plastic formwork variable-scale formwork.

Fig. 6 is a three-dimensional schematic diagram of the short frame of the tool-type steel-frame wood-plastic formwork variable-scale formwork.

Fig. 7 is a schematic diagram of the connection end of the short frame of the tool-type steel-frame wood-plastic formwork variable-scale formwork.

Fig. 8 is a three-dimensional schematic diagram of the back flute of the tool-type steel-frame wood-plastic formwork variable-scale formwork.

Fig. 9 is a three-dimensional schematic diagram of a male angle mold of a tool-type steel frame wood-plastic formwork.

Fig. 10 is a three-dimensional schematic diagram of a tool-type steel frame wood-plastic formwork female corner mold.

Figure 11 is a schematic diagram of the template of the present invention.

Fig. 12 is a schematic diagram of a tool-type angle steel frame column formwork angle steel frame.

Fig. 13 is a schematic diagram of a tool-type angle steel frame column formwork limiting pin.

Fig. 14 is a schematic diagram of a tool-type angle steel frame column template for synthesizing a column.

Fig. 15 is a schematic diagram of a tool-type angle steel frame column formwork with column hoops added.

Fig. 16 is a three-dimensional schematic view of the main rod of the tool-type variable-scale column hoop.

Fig. 17 is a three-dimensional schematic diagram of a tool-type variable-scale column hoop limit slider.

Fig. 18 is a three-dimensional schematic view of the locking angle steel of the tool-type variable-scale column hoop.

Fig. 19 is a three-dimensional schematic diagram of a tool-type variable-scale column hoop connected as a column hoop.

FIG. 20 is an enlarged schematic view of a connecting corner of the column ferrule of FIG. 19 .

Figure 21 is an overall schematic view of the tool-type beam formwork support.

Fig. 22 is a structural schematic diagram of a tool-type beam formwork supporting beam side horizontal support/beam side oblique support.

Fig. 23 is a schematic diagram of a tool-type beam template supporting a fixed bearing.

Figure 24 is a schematic side view of the tool-type beam formwork supporting the fixed bearing.

Fig. 25 is a schematic diagram of a quick support stent.

Figure 26 is a schematic diagram of the connecting seat on the top of the bracket.

Fig. 27 is a partial sectional view of the present invention after installation.

Fig. 28 is a layout diagram of the floor plan formwork of the present invention.

detailed description

Each component of the present invention will be described in detail below in conjunction with the accompanying drawings. The tool-type steel-frame wood-plastic formwork system and its construction technology for cast-in-place concrete in the present invention refer to the tool-type steel-frame wood-plastic formwork system and its construction technology for cast-in-place concrete structures.

The tool-type steel frame wood-plastic formwork is shown in attached drawings 1 to 10, and each mark in the attached drawings about the tool-type steel-frame wood-plastic formwork is: 101a: short outer frame; 102a: long outer frame; 103a: fixed-length formwork connection Hole; 104a: back flute of fixed-length formwork; 201a: short frame; 202a: long frame; 203a: U-shaped support; 204a: back flute of variable-scale formwork; The connection between the frame and the short frame; 2023a: the central connection hole between the long frame and the short frame; 2011a: the connecting end between the short frame and the long frame; 2012a: the connecting hole between the short frame and the long frame; 2013a: the short frame Limiting hole on the connecting end connected to the corner of the long frame; 2014a: side of the short frame; 301a: male corner mold; 3011a: stiffening rib of the male corner mold; 3012a: sealing rib of the male corner mold; 3013a: male corner mold Extended connecting hole; 401a: female corner mold; 4011a: connecting plate surface; 4012a: back frame of female corner mold; 4013a: sealing rib of female corner mold; 4014a: stiffening rib of female corner mold. The tool-type steel frame wood-plastic template includes a fixed-length template, a variable-scale template, a male corner mold, and a female corner mold. The template shown in Figure 1 is a fixed-length template. The frame is formed by welding the long outer frame 102a and the short outer frame 101a. The long outer frame 102a and the short outer frame 101a are angle steels with the same specifications. The connecting holes shown in 103a are the connecting holes of the fixed-length formwork. The fixed-size wood-plastic panels are fixedly connected to the rectangular outer frame through the connecting holes on the angle steel of the rectangular outer frame by anchor bolts. The two long outer frames of the fixed-length formwork There is a back flute welded between them, and 104a shows the back flute of the fixed-length template; Figure 4 is a schematic diagram of the variable-scale template, and the variable-scale template is formed by connecting the long frame 202a and the short frame 201a through anchor bolts, and 2022a in the figure is shown as The connecting part of the long frame and the short frame, 2023a shown on the connecting part is the central connection hole between the long frame and the short frame, 2011a is the connecting end of the short frame and the long frame, and 2014a is the side of the short frame, in the connection The 2012a shown on the paragraph is the central connection hole between the short frame connection end and the long frame, and there is also a limit hole for connecting the short frame connection end with the corner of the long frame shown in 2013a, and the long frame and the short frame connection part correspond to The position is welded with a corner connection limit pin, which is not shown in the figure. When connecting, the connecting end 2023a of the short frame and the long frame is connected to the connecting part 2022a of the long frame and the short frame. The length of the long frame and short frame used in the formwork can be selected in different sizes according to the needs. The size of the fixed-length formwork adopts the standard size of the uniform specification. Angle steel, there are multiple connecting holes on the two sides of the angle steel, and the variable-sized wood-plastic panels are fixed and connected to the rectangular outer frame through the connecting holes on the rectangular outer frame angle steel with anchor bolts to form a variable-scale formwork, as shown in 2021a On the connection surface between the long frame and the variable-scale wood-plastic panel, corresponding U-shaped brackets are fixedly arranged on the two long frames of the variable-scale template. After reaching the corresponding U-shaped brackets on the two long frames, they are fixedly connected in the U-shaped brackets by using anchor bolts through the connecting holes, and 204a shows the back flute of the variable-scale template; the male cornea 301a is an equilateral angle steel, and the male corner There are multiple connecting holes on the two sides of the equilateral angle steel of the mold, and a triangular stiffening rib is welded on the inner corner of the equilateral angle steel. 3011a shows the stiffening rib of the male angle mold. The sealing of the triangular stiffening ribs, 3012a shows the sealing stiffening ribs of the male corner mold; the stiffening ribs at both ends are provided with connecting holes for the lengthening connection of the male corner mold, and 3013a shows the extending connection holes of the male corner mold; The female corner mold 401a includes a female corner mold back frame 4012a and a connecting plate surface 4011a connected to the female corner mold back frame, and the size of the connecting plate surface 4011a is adapted to the size of the connecting part of the fixed-length template and the variable-scale template, On connection board side 4 011a is provided with a plurality of connecting holes, and the stiffening ribs are welded in the female corner of the female corner mold back frame 4012a, and 4014a shows the female corner mold stiffening ribs, and the sealing stiffening ribs at both ends of the female corner mold are opened. The connection holes are used for the lengthening connection of the female corner mold. The sealing stiffener plate of the female corner mold shown in 4013a is provided with a connection hole for lengthening connection on the stiffener plate of the female corner mold. The back frame of the female corner mold is made of steel plate bending and welding . The above-mentioned fixed-length template, variable-length template, male corner mold, and female corner mold are connected to each other through the connecting holes opened on them. The fixed-length template in this template can also be called a standard template, and the plane size of the rectangular outer frame can be 1800x900mm ;The size of the wood-plastic board can be 1800x900x14mm; the inner corrugation can be 50x30x2mm thin-walled square steel, and the end of the inner corrugation is welded to the steel frame; The building modulus is set at different lengths such as 1800mm, 900mm, and 600mm, and the length of the female corner formwork is set at different lengths such as 1800mm, 900mm, and 600mm according to the building modulus.

Figure 11 to Figure 15 are schematic diagrams of angle steel frame tool type column formwork, 1b: wood-plastic formwork; 2b: holes on both sides of wood-plastic formwork; 3b: angle steel frame; 4b: holes on both sides of angle steel; 5b: limit pin; 51b: pin; 52b: pin piece; 6b: column hoop. As shown in the accompanying drawings, the tool-type column formwork with angle steel frame includes wood-plastic formwork 1b, which is provided with multiple holes on both sides of the wood-plastic formwork, and 2b shows the holes on both sides of the wood-plastic formwork. A plurality of holes adapted to the positions of the holes on both sides of the wood-plastic formwork are made into an angle steel frame 3b, and 4b shows the holes on both sides of the angle steel, and the holes on both sides of the angle steel and the holes on both sides of the wood-plastic formwork can be Correspondingly, when in use, after determining the center position of the column, fix any two opposite wood-plastic formworks 1b on the angle steel frames 3b on both sides through the limiting pins 5b, and place the other two opposite wood-plastic formworks along the edge of the column. 1b snaps into the connecting angle steel frame 3b and fixes it with the limit pin 5b, and completes the application of the wood-plastic formwork on the column side to form a column shape. The wood-plastic formwork is surrounded by the angle steel frame 3b set at the four outer corners, and the wood-plastic formwork is fixed on the column. The outer periphery forms a fixed square column space, as shown in Figure 14, and the outside of the wood-plastic formwork and the angle steel frame are fastened by column hoops 6b to complete the support of the column formwork, as shown in Figure 15. More specifically, the multiple holes on both sides of the wood-plastic template 1b are evenly distributed, and the multiple holes on the two sides of the angle steel are also evenly distributed. The defined pins include pins 51b and pin pieces 52b, and pins are provided on the pins 51b. The sheet piercing hole, Fig. 13 shows a schematic diagram of the pin sheet piercing through the piercing hole of the pin to form a limiting pin.

Figure 16 to Figure 20 are schematic diagrams of tool-type variable-length column hoops, each marked in the figure as: 1c: upper right-angle piece; 2c: lower right-angle piece; 3c: middle pad; 4c: limit slide; 5c: steel sheet ;6c: bending part; 7c: anchor bolt hole; 8c: locking angle steel; 9c: upper hole; 10c: lower hole; 11c: column hoop main rod; 13c: anchor bolt; . Tool-type variable-length column collar, including column collar main rod 11c, limit slide 4c, locking angle steel 8c, column hoop main rod includes an upper right-angle piece 1c and a lower right-angle piece 2c, an upper right-angle piece 1c and a lower right-angle piece 2c have the same width, for standardization and easy installation, the thickness of the upper right-angled piece 1c and the lower right-angled piece 2c are the same, an intermediate pad 3c is arranged between the upper right-angled piece 1c and the lower right-angled piece 2c, the upper right-angled piece, the lower The right-angle parts and the intermediate pads are welded and fixedly connected. The two right-angle sides of the upper and lower right-angle parts correspond up and down, and the middle pad deviates from the ends of the upper and lower right-angle parts. The right-angle piece is the same as the lower right-angle piece, the middle cushion 3c is a right-angle piece, and the two right-angle sides of the middle cushion piece right-angle piece are shorter than the corresponding right-angle sides of the upper floor right-angle piece and the lower floor right-angle piece. More specifically, the upper floor right-angle piece and the lower floor right-angle piece The right-angle pieces of the upper layer, the lower layer of right-angle pieces, and the corners of the middle cushion pieces are superimposed and welded together, and there is a square steel between the upper layer of right-angle pieces and the lower layer of gaps with equal thickness; the limit slide 4c includes two steel sheets with curved parts at both ends, 5c shows a steel sheet in the figure, and 6c shows a curved part at one end of the steel sheet, The bending direction is inward, and the distance between the curved parts at both ends of the steel sheet is greater than or equal to the distance between the upper surface of the upper right-angle piece and the lower surface of the lower right-angle piece, and a connecting plate is arranged between the two steel sheets, and the two steel sheets Fixedly connected together through the connecting plate, an anchor bolt hole 7c is opened on one of the steel sheets. The steel sheet of the bolt hole is located outside, and the bending parts at both ends of the two steel sheets are respectively located on the upper surface of the upper right-angle piece and the lower surface of the lower right-angle piece, and anchor bolts are used to fix the limit slider from the anchor bolt hole; specifically, the limit The connecting plate in the slider 4c is a mouth-shaped steel 14c, and the steel sheets with curved parts at both ends are welded on the two opposite surfaces of the mouth-shaped steel. The thickness of the mouth-shaped steel is less than or equal to the thickness of the intermediate pad. When the slider is positioned, the mouth-shaped steel is located in the middle of the upper right-angle piece and the lower right-angle piece, and the anchor bolt hole of the limit slider is opened in the center of the steel sheet; the locking angle 8c is an angle steel with two holes on both sides. The distance between the center of the upper hole on one surface and the center of the lower hole on the other surface in the vertical direction is greater than or equal to the thickness of the upper right-angle piece. Only two right-angled surfaces, the two upper and lower holes on the same surface of the locking angle steel are located on a straight line, the two upper holes on the two surfaces are located on the same level, and the two lower holes on the two surfaces are located on the same level 9c in the figure shows the upper hole on one surface; 10c shows the lower hole on the same surface as shown in 9c; the installation process of this column hoop is as follows: 1. Add a column to the main rod of the tool-type column hoop For hoop limit sliders, the number of column hoop sliders is properly and evenly arranged according to the side length of the square space. The function of the limit sliders is to fill the gap between the column hoop and the column formwork surface Due to the gap formed by the thickness of the outer angle steel frame at the four corners of the column formwork, the limit slider can directly withstand the formwork to form a support, ensuring that the column formwork will not be deformed during the construction process; The crossing of the rods presents a square space and is installed on the periphery of the column formwork, as shown in Figure 15; 3. Adjust the crossing distance between the main rods of the tool-type column hoop, so that the size of the square space is suitable for the size of the peripheral space of the column formwork, and there is no distance between the two ; 4. To fix the column hoop limit slider, insert the connecting anchor bolt into the anchor bolt hole reserved for the column hoop limit slider, insert the pin piece into the exposed connecting anchor pin hole and tighten it, and fix the standardized column hoop slide 5. Install the column clamp limit slider at the end of the intersection of the main rod of the tool type column clamp, and then use the locking angle steel to align the connection hole of the column clamp limit slider, insert the connecting anchor bolt into the pin and make the tool The type column hoop is tightened on the outside of the formwork to tighten the pins, so that the crossing distance and position between the main rods of the tool type column hoop can be fixed. 13c in Fig. 20 is an anchor bolt, and both the anchor bolt and the pin sheet are standard parts and can be purchased from the market.

The tool-type beam formwork fixed support is shown in attached drawings 21-24, and each mark in the figure is 1d: beam; 2d: quick support bracket; 3d: horizontal support bar; 4d: beam bottom formwork; : fixed support; 7d: beam side horizontal support; 8d: beam side inclined support; 81d: outer casing; 82d: inner casing; 83d: pin hole; 84d: nut one; 85d: swing bolt one; 86d: nut 2; 87d: joint bolt 2; 9d: beam female angle mold; 10d: angle piece; 11d: fixing hole; 12d: T-shaped connecting piece; 13d: connecting hole. As shown in the accompanying drawings, the tool-type beam formwork is fixedly supported, including quick support brackets 2d arranged on both sides of the beam, and a horizontal support bar 3d formed by a cross bar is connected to the quick support bracket 2d, and the beam bottom formwork 4d is supported on a horizontal On the strut 3d, the beam side formwork 5d is placed on the beam bottom formwork 4d, a beam female corner formwork 9d is arranged above the beam side formwork 5d, and a fixed support 6d is connected to the beam bottom formwork 4d, and the fixed support 6d includes The right-angle piece 10d has a fixing hole 11d on one surface of the right-angle piece 10d, the fixed support 6d is connected to the beam bottom template 4d through the fixing hole 11, and a T-shaped connector is fixedly connected to the other surface of the right-angle piece 10d 12d, the horizontal plane of the T-shaped connecting piece 12d is fixedly connected to the right-angled piece 10d, and at least two connecting holes are opened on the vertical surface of the T-shaped connecting piece 12d. The ends of the oblique supports 8d are respectively connected to the connection holes of the T-shaped connectors 12d. The T-shaped connectors 12d are welded back to back by two angle steel sheets, and the T-shaped connectors 12d are welded on the right-angled parts 10d; the horizontal support on the beam side One end of 7d is connected to the fixed support 6d, and the other end is connected to the beam side formwork 5d; one end of the beam side inclined support 8d is connected to the fixed support 6d, and the other end is connected to the beam female angle mold 9d. The horizontal support and the beam lateral support have adjustable length telescopic structures, and the beam side horizontal support and the beam lateral support have the same adjustable length telescopic structure as follows: in the figure, the beam lateral support is taken as an example, the beam The lateral oblique support has an outer sleeve 81d, and an inner sleeve 82d is movable inside the outer sleeve 81d, and a plurality of pin holes for fixing are opened on the outer sleeve 81d and the inner sleeve 82d, and 83d in the figure is a pin The hole is fixedly connected with a nut one 84d on the outer sleeve 81d at one end, and is fixedly connected with a nut two 86d on the inner sleeve 82d at the other end. The above-mentioned two nuts are all screwed with joint bolts, and the nut one Joint bolt 1 85d is screwed in; nut 2 is jointed with joint bolt 2 87d, and the thread direction of the joint bolts in the two nuts is opposite. During production, the outer sleeve and inner sleeve are both The square steel pipe, the outer casing square steel pipe adopts the specification of 24x24x2mm, the inner casing square steel pipe adopts the specification of 20x20x2mm, and 10mm pin holes are opened on the square steel pipe at intervals of 50mm, and the length of the square steel pipe is 200mm or 400mm; The inner diameter of the nut is 16mm, the diameter of the swing bolt is 16mm, and the length of the swing bolt is 100mm. In the specific construction process, the adjustment of the longer distance is through the expansion and contraction of the two square steels. There are holes in the two square steels. One square steel is stretched (pull out) for a certain distance, and it can be fixed by inserting flat head bolts into the pin holes. Realize the adjustment of the larger distance of the beam side inclined support; there is a joint bolt at each end, and the joint bolt has a thread that can be screwed with the nut at the end, and the main rod of the inclined support can be rotated by hand to make the The swivel bolts move outward (inward) for a short distance to realize the fine adjustment of the oblique support; when the fixed support is specifically manufactured, a 70mm angle steel is used for the angle piece, and two 56mm angle steel are welded for the T-shaped connector. There are 15mm fixing holes on the 70mm angle steel, which are connected with the beam bottom formwork through pins; there are two 13mm diameter round holes on the 56mm angle steel, and the joints connecting the horizontal support on the beam side and the oblique support on the beam side The holes on the bolts and the holes of the T-shaped connectors are correspondingly driven into flat-head bolts for fixing; the above-mentioned specific dimensions are not limited, and the thickness and dimensions of each component in the support system are designed according to the actual load to be borne.

Figure 25 is a schematic diagram of the quick support bracket, each marked as: 1k: main rod; 2k: the bottom wheel; 3k: middle wheel; 4k: fastener; 5k: movable wheel; 6k: limit nut; 7k: lead screw; 8k: base, the quick support bracket includes a hollow main rod 1k, the lower part of the main rod is welded with a base 8k, and a wheel 2k is welded at the bottom 300mm of the main rod, which is used to connect the cross bar to form a sweeping rod , there are roulettes welded at intervals upwards to connect the crossbars at corresponding heights, 3k shows a middle roulette, the roulette at the top of the main rod is the movable roulette 5k, and an adjustable buckle is set under the movable roulette 5k Part 4k, the screw 7k is connected with the limit nut 6k, the lower part of the screw is inserted into the main rod, and the upper part of the screw is inserted into the vertical pipe on the connecting seat on the top of the bracket; the movable wheel and the limit fastener on the quick support bracket are mainly used for beam The support of the small horizontal bar supported by the bottom template is fixed. The height of the small horizontal bar changes with the height of the beam. The adjustment method of the horizontal height of the small horizontal bar: use the movable wheel and fastener on the main bar of the quick support bracket, and the wheel is connected The small cross bar at the bottom, the fasteners fix the position of the wheel, adjust the movable wheel to the position suitable for the beam height according to the beam height, then insert the lock pin at the end of the beam bottom formwork cross bar into the wheel, and lock it with the fastener The pin is fixed with the quick support bracket; when the height of the small crossbar needs to be adjusted due to different beam heights, remove the fastener, move the wheel to a new height, and then insert the locking pin of the small crossbar at the bottom of the beam into the movable The roulette is fixed with fasteners.

Fig. 26 is a schematic diagram of the connecting seat at the top of the support; the connecting seat at the top of the support is a quadrangular frame made of steel plate, and 1f shows a quadrangular frame, and four sides are provided with holes for connecting templates, which are fixedly arranged in the quadrangular frame There are a plurality of standpipes, and 2f shows a standpipe, and the setting position of the standpipe is adapted to the setting position of the main rod of the quick support bracket, and the upper part of the leading screw on the main rod is inserted in the vertical pipe on the connecting seat at the top of the support.

The tool-type steel frame wood-plastic formwork system construction technology for cast-in-place concrete structures is characterized in that: the construction technology is divided into reinforced concrete frame structure construction technology and reinforced concrete shear wall structure construction technology;

For the construction technology of reinforced concrete frame structure, the following steps are adopted:

Step 1: According to the actual situation of the reinforced concrete frame structure project, according to the formwork support and modulus requirements of the tool-type steel frame wood-plastic formwork system, carry out the design of the concrete structure formwork and complete the construction of the tool-type steel frame wood-plastic formwork Drawings and formwork support layout;

Step 2: Process the back frame of the variable-scale formwork and the surface of the variable-scale formwork according to the construction drawing of the matching plate, prepare the back frame of the fixed-length formwork, the surface of the fixed-length formwork and the formwork support, and carry out according to the construction drawing of the matching plate Numbering;

Step 3: After the working surface of the concrete superstructure is provided, at the same time as the column reinforcement works are bound, the column formwork and formwork support are copied and laid out according to the construction drawing of the matching plate and the layout drawing of the formwork support;

Step 4: After the reinforcement of the column is bound, fasten and connect the four wood-plastic panels and the angle steel frame in the column formwork with pins to complete the assembly of the column formwork, and fasten and lock a set of column hoops to the root of the column formwork. Adjust the horizontal position of the column formwork according to the setting-out position of the column formwork, and fix the column hoop at the root of the column to the floor to limit the horizontal position of the column formwork; install the upper formwork of the column according to the previous steps, set a column hoop every 500mm, and complete it according to the above method Installation of column formwork in this construction section;

Step 5: According to the layout of the formwork support, start interspersing the installation of the formwork support at the bottom of the column side beam at the same time as the column formwork is installed, copy and level according to the elevation of the beam bottom and install the horizontal brace supported by the fixed beam bottom formwork;

Step 6: Install the column formwork braces, correct the verticality of the column formwork, install and fasten the 900mm wide fixed-length formwork as the beam bottom formwork, connect the beam bottom formwork and the column side formwork through the female angle formwork, and lock them with connecting pins , connect all column formwork and beam bottom formwork in this construction section into a whole, increase the integrity of the entire formwork system, avoid formwork displacement when pouring concrete, and complete the installation of the floor formwork brackets in the middle of each room while installing the beam bottom formwork, And according to the requirements of the construction specification, the formwork bracket scissors support should be reasonably set;

Step 7: Spray the formwork release agent to pour the column concrete and maintain it; when pouring the concrete, the 900mm wide beam bottom formwork is used as the pouring personnel channel to ensure construction safety;

Step 8: Use the 900mm wide beam bottom formwork as the construction platform, set out the horizontal position of the beam side formwork, bind the beam reinforcement, and set up cushion blocks;

Step 9: Install the beam side horizontal support and beam side inclined support of the beam side formwork, install the beam side formwork and the female angle formwork connected to the floor formwork, adjust the beam side formwork horizontal position and vertical position through the beam side horizontal support and beam side inclined support degree and fixed;

Step 10: Adjust the limit nut on the screw rod of the formwork bracket, install the column cap of the bracket and the connecting seat at the top of the bracket;

Step 11: Use pins to connect the back frame of the slab formwork with the female corner formwork of the beam side formwork and the connection seat on the top of the bracket, complete the installation of the steel back frame of the slab formwork in this construction section, and carry out leveling;

Step 12: Lay the surface of the floor formwork, fix it with pins and spray the release agent;

The thirteenth step: Bind the steel bars of the floor and set up pads and embedded parts. After the steel bars are bound, pour the beams and floor concrete and maintain them;

Step 14: Remove the oblique support of the column formwork and the formwork on the side of the column;

Step 15: After the beam and floor concrete reach the early demolition strength, remove the beam side formwork support and beam side formwork, remove the floor formwork main board, remove formwork support diagonal braces and some formwork support horizontal tie rods, and retain all support poles and parts The horizontal pull rod and the connecting seat on the top of the bracket realize the early dismantling of the formwork, and the dismantled formwork is turned over to the next floor to continue construction;

Step 16: After the concrete strength of the beam and the floor slab reaches the standard strength, all the formwork brackets and the top connecting supports of the vertical poles shall be removed according to the requirements of the construction specifications, and all formwork components shall be transferred to the next floor for construction.

For the construction technology of reinforced concrete shear wall structure, the following steps are adopted:

Step (1): According to the actual situation of the reinforced concrete shear wall structure project, according to the formwork support and modulus requirements of the tool-type steel frame wood-plastic formwork system, carry out the design of the concrete structure formwork matching plate, and complete the tool-type steel frame wood-plastic formwork system. The construction drawing of the plastic formwork and the layout of the formwork support;

Step (2): Process the back frame and surface of the variable-scale formwork panel according to the construction drawing of the matching plate, prepare the back frame of the fixed-length formwork panel, the surface of the fixed-length formwork panel and the formwork support, and follow the configuration number the construction drawing of the board;

Step (3): After the working surface of the concrete superstructure is provided, at the same time as the wall reinforcement works are bound, the wall formwork and formwork support are copied and leveled according to the construction drawing of the matching plate and the layout drawing of the formwork support;

Step (4): After the wall reinforcement is bound, use pins to connect the wall formwork into a whole, install the pull bolts, install the main flute of the vertical column formwork, install the diagonal braces and horizontal braces of the wall formwork, and use male Connect the corner formwork to the head plate at the end of the wall formwork, and use the female corner formwork to connect the corners of the wall to complete the assembly of the shear wall formwork;

Step (5): According to the layout of the formwork support, when the shear wall formwork is installed, start to install the floor formwork support, adjust the limit nut on the screw rod at the top of the formwork support, install the bracket cap and the top connection support of the support , and set up formwork support scissors reasonably according to the requirements of construction specifications;

Step (6): Adjust and fix the height of the beam bottom formwork supporting cross bar according to the height of the beam bottom formwork, install the beam bottom formwork to connect the inner corner formwork and the beam bottom formwork, and install the beam formwork to fix the support;

Step (7): Adjust the diagonal braces and horizontal braces of the shear wall formwork, fix the shear wall formwork after correcting the horizontal position and verticality of the shear wall formwork, adjust the beam side horizontal support and beam side oblique support of the beam formwork, and correct the beam side Fix the beam side formwork after the horizontal position and verticality of the formwork, connect the wall formwork and the beam side formwork to connect the female angle formwork of the floor, use pins to connect the floor formwork back frame with the wall side formwork, beam side formwork to connect the female corner formwork and the top connection seat of the bracket Connected, complete the installation of the steel back frame of the floor formwork in this construction section, and carry out leveling;

Step (8): Lay the surface of the floor formwork, fix it with pins and spray the release agent;

Step (9): Bind the steel bars of the floor slab and set pads and embedded parts. After the steel bars are bound, pour the shear wall concrete. After the shear wall concrete is vibrated and settled, pour the beam and floor concrete and maintain them;

Step (10): After the concrete reaches the formwork removal strength of the wall side formwork, remove the shear wall and beam side formwork support and the wall and beam side formwork;

Step (11): After the floor concrete reaches the early demolition strength, remove the main board of the floor formwork, remove the diagonal braces of the formwork support and part of the horizontal tie rods of the formwork support, and retain all the support poles, some horizontal tie rods and the top connecting support of the support to realize the formwork Early demolition, the formwork removed early will be transferred to the next floor to continue construction;

Step (12): After the concrete strength of the beam and the floor slab reaches the standard strength, all the formwork brackets and the top connecting supports of the vertical poles are removed according to the construction specifications, and all formwork components are turned over to the next floor for construction.

The installation and removal methods of the column hoops are as follows: surround the installed column formwork, make the two column hoop main rods intersect to present a square space and install them on the periphery of the column formwork; adjust the crossing distance between the tool type column hoop main rods, so that the square space is the same The size of the peripheral space of the formwork is suitable, and there is no distance between the two; add a column clamp limit slider to the main body of the tool type column clamp, and arrange the number of limit sliders on the column clamp properly and evenly according to the size of the side length of the square space; Fix the limit slider of the column collar, insert the connecting anchor bolt into the reserved hole of the limit slider on the column collar, and fix the position of the column collar slider; install the limit slider of the column collar at the intersection of the main body of the tool type column collar, and reuse it The locking angle steel fixes the tool-type column hoop; when removing it, only the anchor bolts, locking angle steel and fixing sliders at the cross-fixed part of the column hoop need to be removed, and the entire column hoop can be removed.

The installation and dismantling method of the beam lateral support is as follows: the installation of the beam lateral support first determines the approximate length of the beam lateral support according to the distance from the side of the beam, and the larger length is adjusted through the hole position between the two sleeves; Connect one end of the beam lateral support with the fixed support of the diagonal support through flat-head bolts, rotate the main rod of the diagonal support to connect the other end with the reinforcing ribs in the female corner mold, and fix it with flat-head bolts; When removing, first rotate the support rod to make it in a loose state, then remove the bolts at the fixed positions at both ends, and then remove the oblique support.

The installation and removal method of the quick support bracket is as follows: place the quick support bracket according to the point determined by the construction personnel, and connect with the cross bar every time two support vertical bars are placed. The quick support support vertical bar takes 4 as a basic unit, The fast support brackets are evenly arranged horizontally and vertically according to 1100mm from the four ends of the room positioning. After the brackets are installed, install the top connecting seat of the brackets; when removing the quick support brackets, you can start from one side of the room. Remove the support poles one by one.

After describing the implementation of the present invention in detail, those familiar with the technology can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above-mentioned patent application. Any simple amendments, equivalent changes and modifications all belong to the scope of the technical solution of the present invention, and the present invention is not limited to the implementation methods exemplified in the specification.

Claims (9)

1., for the tool-type steel framework Wood-plastic formwork system of cast-in-place concrete, including tool-type steel framework Wood-plastic formwork, tool-type angle frame column template, tool-type becomes chi tie, tool-type beam forms supports, support, cradle top connect seat soon, it is characterised in that:

Described tool-type steel framework Wood-plastic formwork includes scale template, becomes chi template, external corner mould, inner corner trim mould, scale template includes the rectangle outer rim of sizing, described rectangle outer rim forms by being welded to each other between long outer rim and short outer rim, long outer rim and the angle steel that short outer rim is that specification is identical, offering multiple connecting hole on two limits of angle steel, the wood-plastic board of sizing uses crab-bolt to be fixedly connected in rectangle outer rim by the hole on rectangle outer rim angle steel；Become chi template to be formed by anchor bolts by long margin frame and short frame, long margin frame and the angle steel that short frame is that specification is identical, offering multiple hole on two limits of angle steel, the wood-plastic board becoming size uses crab-bolt to be fixedly connected in rectangle outer rim formation change chi template by the hole on rectangle outer rim angle steel；

Described external corner film is equal leg angle, two limits of the equal leg angle of external corner mould offer multiple hole, inside corner weld at equal leg angle has the fin of putting more energy into of triangle, the both ends of equal leg angle use triangle to put more energy into fin sealing, the fin of putting more energy at both ends arranges porose lengthening for external corner mould and connects；Described inner corner trim mould includes inner corner trim mould back frame and the connecting plate face being connected in inner corner trim mould back frame, described connecting plate face size adapts with the connecting portion size of scale template, connecting plate face offers multiple hole, in the inner corner trim of inner corner trim mould back frame, welding is put more energy into floor, and the sealing at inner corner trim mould both ends is put more energy into offer on floor and porose connected for inner corner trim mould spreading；Above-mentioned scale template, the chi template that becomes, external corner mould, inner corner trim mould are connected with each other by the hole offered on it；

Described tool-type angle frame column template includes Wood-plastic formwork, multiple hole is offered on Wood-plastic formwork both sides, two faces of angle steel offer multiple holes that the multiple hole sites with Wood-plastic formwork both sides adapt and makes angle frame, in use, determine that tailing edge pillar edge, pillar center surrounding applies Wood-plastic formwork/plank sheathing successively, form pillar shape, four external angles that Wood-plastic formwork/plank sheathing encloses arrange angle frame, by a pair neighboring trees plastic formwork/plank sheathing, any one limits pin and is connected and fixes with angle frame, form fixing tetragonal prism body space, multiple holes on described Wood-plastic formwork both sides are uniformly distributed, multiple holes on two faces of angle steel are also uniformly distributed, described restriction pin includes pin and pin sheet, pin is provided with pin sheet perforating；

Described tool-type becomes chi tie, including tie mobile jib, spacing saddle, locking angle steel, described tie mobile jib includes a upper strata angled piece and lower floor's angled piece, upper strata angled piece is identical with the width of lower floor's angled piece, middle mat piece it is provided with between upper strata angled piece and lower floor's angled piece, fixing between described upper strata angled piece, lower floor's angled piece, middle mat piece connect, two right-angle sides of upper strata angled piece and lower floor's angled piece are the most corresponding, middle mat piece deviation upper strata angled piece and the end of lower floor's angled piece

nullDescribed spacing saddle includes that two panels both ends are provided with the steel disc of bending section，Distance between the bending section of steel disc both ends is more than or equal to the distance between upper strata angled piece upper surface and lower floor's angled piece lower surface，It is provided with connecting plate between two panels steel disc，Two panels steel disc is fixed together by connecting plate，Anchor hole is offered wherein on a steel disc，Anchor hole is opened in steel disc center，In use，Spacing saddle upper strata angled piece from tie mobile jib and lower floor's angled piece end penetrate，The steel disc offering anchor hole is externally-located，The bending section at two panels steel disc two ends lays respectively at upper strata angled piece upper surface and lower floor's angled piece lower surface，Crab-bolt is used to fix spacing saddle from anchor hole，The described connecting plate in spacing saddle is a degree of lip-rounding steel，Two panels two ends arrange the steel disc of bending section and are welded on two opposite faces of degree of lip-rounding steel，The thickness of degree of lip-rounding steel is less than or equal to the thickness of middle mat piece；

Described locking angle steel is the angle steel offering upper and lower two holes on two sides respectively, the distance of the upper aperture center on one face and the lower square hole center in the vertical direction on another face is more than or equal to the thickness of upper strata angled piece, upper two holes of same of described locking angle steel are positioned on straight line up and down, same upper two holes are more than or equal to the thickness of upper strata angled piece, two upper aperture on two faces are positioned on same level height, and on two faces, two lower square holes are positioned on same level height；

Described tool-type beam forms is fixed and is supported fast the support including being arranged on beam both sides, fast support connects the triatic stay having cross bar to be formed, beam bottom mother plate props up and is located on triatic stay, side template is seated on beam bottom mother plate, it is provided above inner corner trim mould at side template, connecting on beam bottom mother plate has hold-down support, horizontal support one end, beam side to be connected on hold-down support, and one end is connected on side template；Beam skew back supports one end and is connected on hold-down support, and one end is connected on inner corner trim mould, and described beam side horizontal support and beam skew back support has length-adjustable stretching structure；

Fast described support includes the mobile jib of hollow, mobile jib lower weld has base, a wheel disc it is welded with at 300mm bottom mobile jib, for connecting the bar of sweeping the floor that cross bar is formed, upwards interval is welded with wheel disc for the cross bar connecting in corresponding height, it is movable wheel disc that the wheel disc at beam bottom board triatic stay position is fixed on mobile jib top, it is arranged with adjustable fastener at movable wheel disc, support mobile jib top and be inserted with connection support leading screw, limited location nut is connected on leading screw, leading screw bottom is inserted in mobile jib, and leading screw top is inserted in the vertical tube that cradle top connects on seat；

It is the quadrilateral frame that steel plate makes that described cradle top connects seat, four limits offer the hole for connecting template, multiple vertical tube it is fixedly installed in quadrilateral frame, the mobile jib arranging position and fast support of vertical tube arranges position and adapts, and the leading screw top on mobile jib is inserted in the vertical tube that cradle top connects on seat.

Tool-type steel framework Wood-plastic formwork system for cast-in-place concrete the most according to claim 1, it is characterized in that: between two long outer rim of the scale template in tool-type steel framework Wood-plastic formwork, be welded with back cord, the U-shaped torr of correspondence it is fixedly installed at two long margin frames becoming chi template, offering porose in U-shaped torr, back cord uses crab-bolt to be fixedly connected on distracted for the back of the body in U-shaped torr by hole after snapping onto U-shaped torr corresponding on two long margin frames.

Tool-type steel framework Wood-plastic formwork system for cast-in-place concrete the most according to claim 1, it is characterized in that: in tool-type change chi tie, the upper strata angled piece in tie mobile jib, lower floor's angled piece, middle mat piece angled piece use the square steel of same specification to make, and upper strata angled piece, lower floor's angled piece, middle mat piece angled piece corner are overlapped mutually and are welded together.

Tool-type steel framework Wood-plastic formwork system for cast-in-place concrete the most according to claim 1, it is characterized in that: tool-type beam forms fixing support central sill side horizontal support and the support of beam skew back have length-adjustable stretching structure and be: beam side horizontal support and beam skew back support has a trocar sheath, in trocar sheath, activity is equipped with inner sleeve, trocar sheath and inner sleeve offer multiple for fixing pin-and-hole, it is fixedly connected with nut on trocar sheath at one end, the inner sleeve of the other end is also fixedly connected with nut, eyelet bolt all it is connected with in two above-mentioned nuts, eyelet bolt thread rotary orientation in two nuts is contrary.

Tool-type steel framework Wood-plastic formwork system for cast-in-place concrete the most according to claim 1, it is characterized in that: in the fixing support of tool-type beam forms, hold-down support includes an angled piece, fixing hole is offered in a face of angled piece, hold-down support is connected on beam bottom mother plate by fixing hole, another face of angled piece is fixedly connected with T-connecting piece, the horizontal plane of T-connecting piece is fixedly connected in angled piece, at least two connecting hole is offered on the vertical plane of T-connecting piece, the end that beam side horizontal support and beam skew back support is connected on the connecting hole of T-connecting piece.

6. for the tool-type steel framework Wood-plastic formwork system construction technique of cast-in-place concrete, it is characterised in that: described construction technology is divided into Reinforced Concrete Frame Construction Technique and reinforced concrete shear wall structure construction technology；

For Reinforced Concrete Frame Construction Technique employing following steps:

The first step: according to reinforced concrete frame structure engineering practice, the requirement with modulus is installed according to tool-type steel framework Wood-plastic formwork system template, carry out concrete structure formwork matching board design, complete tool-type steel framework Wood-plastic formwork matching board construction drawing and falsework layout drawing；

Second step: become chi template back frame according to the processing of matching board construction drawing and become chi formwork parts plate face, preparing scale template plate back frame, scale template plate plate face and falsework, and be numbered according to matching board construction drawing；

3rd step: after concrete superstructure work surface provides, while pillar reinforced bar engineering colligation, coupled columns mould, falsework carry out levelling unwrapping wire according to matching board construction drawing and falsework layout drawing；

4th step: after pillar reinforcing bar binding completes, with pin, four pieces of wood-plastic board in post mould and angle frame are fastenedly connected, complete post mould assembled, by locked to post mould root for a set of tie assembly fastening, according to post mould unwrapping wire position adjustment post mould horizontal level, and root tie is fixed on post root floor upper limit fixed column mould horizontal level；According to abovementioned steps mounting post upper mould, one tie is set every 500mm, completes the installation of this construction section post mould according to the method described above；

5th step: according to falsework layout drawing, installs at post mould and starts simultaneously at the interspersed installation carrying out post curb girder end template support, the triatic stay supported according to the fixing beam bottom board of bottom elevation levelling installation；

6th step: mounting post mould diagonal brace, correct post mould perpendicularity, fastening 900mm width scale template is installed as beam bottom mother plate, and beam bottom mother plate is attached by inner corner trim mould with post side form, and it is locked with connecting pin, all for this construction section column templates and beam bottom mother plate are linked to be an entirety, increase the globality of whole template system, template displacement when avoiding casting concrete, while mounting rail end template, complete the installation of slab form support in the middle part of each room, and require rationally to arrange falsework bridging according to job specfication；

7th step: jet mould plate interleaving agent pours post concrete maintenance；Beam bottom mother plate wide for 900mm during casting concrete is as pouring personnel channel, it is ensured that construction safety；

8th step: with 900mm wide beam end template as operation platform, carries out beam side horizontal level unwrapping wire, colligation beam steel, and arranges cushion block；

9th step: the beam side horizontal support of mounting rail side template and beam skew back support, mounting rail side template and the inner corner trim mould of connection slab form, supported by beam side horizontal support and beam skew back and adjust side template horizontal level and perpendicularity and fix；

Tenth step: adjust the stop nut on falsework screw mandrel, mounting bracket stigma cap and cradle top and connect seat；

11st step: with pin, slab form back frame is connected with side template inner corner trim mould and cradle top connects seat and is connected, complete this construction section building slab slab back frame and install, and carry out levelling；

12nd step: lay slab form plate face, fix with pin and spray interleaving agent；

13rd step: colligation floor bar also arranges cushion block and built-in fitting, and reinforcing bar binding completes after-pouring beam and floorslab concrete maintenance；

14th step: remove post mould bearing diagonal and post side template；

15th step: after beam and floorslab concrete reach early to tear intensity open, remove side template to support and side template, remove slab form mainboard, form removal support diagonal brace and segment template support level pull bar, retain all supported rod erectings, part of horizontal pull bar and cradle top and connect seat, realizing early-dismantling, next layer that forward in template week early removed continues construction；

According to job specfication, 16th step: after beam and floorslab concrete intensity reach normal intensity, requires that whole form removal supports and vertical rod top connect bearing, whole modular shuttering element weeks forwards next layer to and construct；

For reinforced concrete shear wall structure construction technology employing following steps:

(1st) step: according to reinforced concrete shear wall structure engineering practice, the requirement with modulus is installed according to this tool-type steel framework Wood-plastic formwork system template, carry out concrete structure formwork matching board design, complete tool-type steel framework Wood-plastic formwork matching board construction drawing and falsework layout drawing；

(2nd) step: become chi template plate back frame according to the processing of matching board construction drawing and become chi plate plate face, preparing scale template plate back frame, scale template plate plate face and falsework, and be numbered according to matching board construction drawing；

(3rd) step: after concrete superstructure work surface provides, while wall steel bar engineering colligation, wall form, falsework are carried out levelling unwrapping wire according to matching board construction drawing and falsework layout drawing；

(4th) step: after wall steel bar colligation completes, with pin, wall side template is connected into entirety, split bolt is installed, vertical posts template master is installed stupefied, wall form diagonal brace and triatic stay are installed, with external corner mould connecting wall template end cap plate, with inner corner trim mould connecting wall corner, complete the assembly of shear wall formwork；

(5th) step: according to falsework layout drawing, install at shear wall formwork and start simultaneously at the interspersed installation carrying out slab form support, adjust the stop nut on the screw mandrel of falsework top, mounting bracket stigma cap and cradle top connect bearing, and require rationally to arrange falsework bridging according to job specfication；

(6th) step: according to height adjustment beam bottom board support rail height at the bottom of beam and be fixed, mounting rail end template connects inner corner trim mould and beam bottom mother plate, and mounting rail template is fixing to be supported；

(7th) step: adjust shear wall formwork diagonal brace and horizontal brace, shear wall formwork is fixed after correcting shear wall formwork horizontal level and perpendicularity, adjust beam form plate-girder side horizontal support and beam skew back supports, side template is fixed after straightening beam side template horizontal level and perpendicularity, connection wall template and side template connect the inner corner trim mould of floor, with pin, slab form back frame is connected with wall side template, side template inner corner trim mould and cradle top connects seat and is connected, complete this construction section building slab slab back frame to install, and carry out levelling；

(8th) step: lay slab form plate face, fix with pin and spray interleaving agent；

(9th) step: colligation floor bar also arranges cushion block and built-in fitting, after reinforcing bar binding completes, pours shear wall concrete, after shear wall concrete vibrating is heavy in fact, casting beams and floorslab concrete maintenance；

(10th) step: after concrete reaches wall side form strength of mould stripping, removes shear wall and side template supports and wall, side template；

(11st) step: after floorslab concrete reaches early to tear intensity open, remove slab form mainboard, form removal support diagonal brace and segment template support level pull bar, retain all supported rod erectings, part of horizontal pull bar and cradle top and connect bearing, realizing early-dismantling, next layer that forward in template week early removed continues construction；

According to job specfication, (12nd) step: after beam and floorslab concrete intensity reach normal intensity, requires that whole form removal supports and vertical rod top connect bearing, whole modular shuttering element weeks forwards next layer to and construct.

Tool-type steel framework Wood-plastic formwork system construction technique for cast-in-place concrete the most according to claim 6, it is characterized in that: wherein tie is installed as follows with method for dismounting: around the column template of installation, make two tie mobile jibs intersect and present four directions space mounting in column template periphery；Regulation tool-type tie mobile jib spacing, makes four directions space size adapt with the size of column template peripheral space, and both are against gapless；Tool-type tie main body is added the spacing saddle of tie, according to the spacing saddle number on four side space length of side size suitably homogenous layout ties；The fixing spacing saddle of tie, inserts the spacing saddle reserving hole on tie, fixing tie saddle position with connecting crab-bolt；Installing the spacing saddle of tie at tool-type tie main body infall, tool-type tie is fixed by recycling locking angle steel；Having only to intersect tie the crab-bolt of fixed position, locking angle steel and fixing saddle during dismounting removes, and whole tie just can be removed.

Tool-type steel framework Wood-plastic formwork system construction technique for cast-in-place concrete the most according to claim 6, it is characterized in that: the installation that beam skew back supports with method for dismounting is: the installation that beam skew back supports first has to the approximate size that the distance according to beam side determines that beam skew back supports, and greater depth is regulated by the position, hole between two sleeve pipes；Beam skew back is supported one end linked together by flat head bolt with bearing diagonal hold-down support, rotate bearing diagonal mobile jib, make the other end be connected with the reinforcement fin in inner corner trim mould, fix with flat head bolt；First rotate support bar during the dismounting that beam skew back supports and be at relaxed state, then remove the bolt of fixed position, two ends, then remove bearing diagonal.

Tool-type steel framework Wood-plastic formwork system construction technique for cast-in-place concrete the most according to claim 6, it is characterized in that: the installation of fast support with method for dismounting is: the point determined according to workmen's unwrapping wire places fast support, often place 2 rack rods to be just attached with cross bar, a fast rack rod is an elementary cell with 4, fast support at location, room four end points start the most longitudinally to be evenly arranged according to 1100mm, support installs rear mounting bracket top and connects seat；Can first remove and connect cross bar, the most successively striking vertical rod from the beginning of the one side in room when propping up the dismounting of support soon.