CN217678935U - Power plant room tail horizontal platform bracket template braced system - Google Patents

Abstract

The utility model relates to the technical field of building structures, in particular to a bracket template supporting system of a tail horizontal platform of a power plant house, which comprises templates arranged on a tail water outer wall and a tail water gate pier, wherein the templates are externally supported by an externally-cantilevered template supporting module and internally reinforced by an internally-pulled upright post reinforcing module; the internal tension column reinforcing module comprises a steel bar column, pull rods are connected to two sides of the steel bar column, the pull rods on one side are anchored on the tail water outer wall and the embedded anchor bars of the tail water gate pier, and the pull rods on the other side are connected to the template. Through adopting "interior draw + stand" mode to carry out the secondary and consolidate, this dual fail-safe braced system can effectively solve the bracket and pour and be in the upstream face, the drop is high and the bulky problem of bracket.

Description

Power plant room tail horizontal platform bracket template braced system

Technical Field

The application relates to the technical field of building structures, particularly, relate to a power plant room tail water platform bracket template braced system.

Background

The large power station generally has the phenomena of high bracket construction risk, high difficulty and the like. Especially in large hydroelectric power stations, the tail water platform of the power station room has a bracket structure on a tail water retaining wall and a tail water gate pier.

Firstly, the bracket structure is positioned on the upstream surface, so that the size is huge and the bracket is inconvenient to build; in addition, the tail water retaining wall bracket and the tail water gate pier are cantilevered to the downstream direction in a reverse slope, and multiple technical problems of uncertain supporting stress points, large construction span, large suspended height and the like exist in bracket formwork support system construction.

The bracket structure is positioned on the upstream surface, the fall is high, the size of the bracket is large and the like, so that the construction safety risk is high and the construction difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power plant room tail horizontal platform bracket template braced system can solve the safety and the technological problem of large-scale hydropower station tail water platform bracket construction, reduces the safe risk of construction, reduces the construction degree of difficulty.

In order to achieve the purpose, the utility model provides a power plant room tail horizontal platform bracket template support system, including setting up the template on tailwater outer wall and tailwater gate pier, the template supports the outside support of module through the template of encorbelmenting outward, and consolidate the module inside through the interior stand that draws, the template support module of encorbelmenting outward includes outer cantilever tripod and outer cantilever template support frame, the template support frame of encorbelmenting outward sets up in the upper portion of the tripod of encorbelmenting outward, the tripod of encorbelmenting outward is connected on the pre-buried pilot cone of tailwater outer wall and tailwater gate pier;

the internal stay post reinforcing module comprises a steel bar stand post, pull rods are connected to two sides of the steel bar stand post, one side of the pull rods are anchored on pre-buried anchor bars of the tail water outer wall and the tail water gate pier, and the other side of the pull rods are connected to the template.

In an optional embodiment, the outer cantilever tripod comprises a plurality of outer cantilever tripods, the outer cantilever tripods are distributed on the outer wall of the tailwater outer wall and the outer side wall of the tailwater gate pier at intervals, and the outer cantilever formwork support frame is erected among the plurality of outer cantilever tripods.

In optional embodiment, the template support frame of encorbelmenting outward includes the support framed bent, the support framed bent is including supporting the horizontal pole, supporting the vertical pole and supporting the down tube, it connects to support the vertical pole on the crossbeam of outer cantilever tripod, support the horizontal pole and support the down tube all with support vertical pole fixed connection, the tip that supports the down tube meets with the wall spare that links that sets up on tail water outer wall and tail water gate pier lateral wall.

In an alternative embodiment, the outer cantilevered tripod comprises cantilevered template tripods with a spacing between the cantilevered template tripods of no greater than 1.5m.

In an optional implementation mode, a cross beam of the cantilever template tripod is connected with the embedded positioning cone, and the embedded length of the embedded positioning cone in the tailwater outer wall and the tailwater gate pier is not less than 50cm.

In an alternative embodiment, the steel reinforced column comprises a serpentine steel reinforced column, and at least one part of the serpentine steel reinforced column extends into the concrete of the tailwater outer wall and the tailwater gate pier and has the length of not less than 80cm.

In an optional embodiment, the steel bar upright column comprises a triangular serpentine column with a cross section of a regular triangle, the diameter of a main rib of the triangular serpentine column is not less than 28mm, and the diameter of an oblique web rib is not less than 16mm.

In an optional implementation mode, the pre-buried anchor bars comprise inclined pull anchor bars which are obliquely inserted into the tail water outer wall and the tail water gate pier, and an included angle between each inclined pull anchor bar and the concrete plane is 45 degrees.

In an optional embodiment, the tie bar is connected to a main rib of the steel bar upright, a tie bar fixing rib is arranged on the template, and the tie bar is connected between the main rib and the tie bar fixing rib.

In an optional implementation manner, transverse tie bars are connected between the steel bar upright columns, and two oblique tie bars are arranged between every three steel bar upright columns.

The utility model provides a bracket template carries out the outside support through encorbelmenting the template support module outward to consolidate the mould through interior stand that draws and carry out inside reinforcement, effectively realized bracket template "outer support interior double insurance support system who draws".

The tripod of encorbelmenting outward is adopted at first in the part of encorbelmenting outward as the framed bent support, secondly carry out the secondary in the inside adoption of bracket "draw in + stand" mode and consolidate, and this dual fail-safe braced system can effectively solve the bracket and pour and be in the upstream face, the drop is high and the bulky problem of bracket, when guaranteeing that the bracket template obtains stable support, has reduced the construction degree of difficulty to the at utmost, has improved the security of overall construction.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic plan view of a bracket template support system of a tail water platform of a power plant room;

FIG. 2 is a schematic side view of an outer cantilevered formwork support module and an inner pull stud reinforcement module;

FIG. 3 is a schematic structural view of an exterior cantilever form support module;

FIG. 4 is a schematic structural view of an interior tension column reinforcement module;

FIG. 5 is a schematic side view of a serpentine steel column;

FIG. 6 is a schematic structural view of a cross section of a serpentine steel upright;

FIG. 7 is a schematic structural view of pre-buried anchor bars in concrete;

FIG. 8 is a schematic view of the relationship between the embedded anchor bars and the inner tie rods;

fig. 9 is a structural force analysis diagram.

An icon:

10-a template; 11-a pull rod fixing rib;

20-an outer cantilever formwork support module; 21-an outer cantilever tripod; 22-overhanging the formwork support frame; 23-a support rail; 24-supporting the longitudinal bar; 25-supporting the diagonal rods; 26-a cross beam;

30-an internal pulling upright column reinforcing module; 31-steel bar upright posts; 32-pulling the pull rod backwards; 33-front pull rod; 34-main ribs; 35-oblique abdominal muscle;

40-tail water outer wall;

50-tail water gate pier;

60-embedding a positioning cone; 61-embedding anchor bars; 62-stayed anchor bars; 63-sealing the reinforcing steel bars;

70-wall connecting piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

Power generation factory building tail horizontal platform bracket template braced system in this application, the construction operation of mainly used hydroelectric power station tail water platform bracket specifically is used for solving the bracket structure on the current tail water platform and is not convenient for the support when pouring the construction and build and the support of template, and the construction degree of difficulty is big, problem such as safe risk height.

Through the double-insurance braced system that draws in outer support, support and fix the bracket template, can fix the bracket template on tail water platform effectively, realize going on smoothly of bracket structure pouring construction, can guarantee simultaneously and support and fixed strength, make the bracket structure that takes shape after pouring more firm.

Referring to fig. 1-2, the utility model provides a bracket template support system, including setting up the template 10 on tailrace outer wall 40 and tailrace pier 50, template 10 supports module 20 outside through overhanging outward to consolidate module 30 inside through interior stand that draws.

For bracket template 10, through set up outer cantilever template support module 20 on the lateral wall at tailwater outer wall 40 and tailwater gate pier 50, realize supporting the outside of bracket template 10, set up reinforcing bar stand 31 through the inboard at bracket template 10 simultaneously to and draw the anchor to one side between reinforcing bar stand 31 and the bracket template 10, realize that the inside of bracket is tensile fixed.

Combine fig. 3, specifically, be connected with outer cantilever tripod 21 on the lateral wall of tailwater outer wall 40 and tailwater gate pier 50, corbel template 10 obtains the outside support through the outer cantilever template support frame 22 that sets up on outer cantilever tripod 21, can bear the weight of superstructure more steadily in order to make outer cantilever tripod 21, outer cantilever tripod 21 is connected on the pre-buried location awl 60 of tailwater outer wall 40 and tailwater gate pier 50, pre-buried location awl 60 is as the stress point of outer cantilever tripod 21, outer cantilever tripod 21 is through fixing on pre-buried location awl 60, thereby the realization is supported the outer cantilever module support frame that sets up on outer cantilever tripod 21.

The embedded positioning cone 60 is a stress point of the outer cantilever tripod 21, and the outer cantilever tripod 21 supports the outer cantilever formwork support frame 22 positioned above the outer cantilever tripod 21 by being fixed on the embedded positioning cone 60. Therefore, before the construction to the bracket part of the tail water platform, the fixing position of the outer cantilever tripod 21 is designed according to the structural size of the bracket, and the positioning cone 60 is pre-embedded in the concrete below the bracket structure in advance.

Referring to fig. 4, the internal bracing column reinforcing module 30 includes a steel bar column 31 and tie rods connected to two sides of the steel bar column 31, wherein the tie rods on one side are anchored on the tail water outer wall 40 and the embedded anchor bars 61 of the tail water gate pier 50, and the tie rods on the other side are connected to the form 10. Reinforcing bar stand 31 mainly stretches fixedly to the bracket module through the pull rod, shifts the self gravity of bracket template 10 to reinforcing bar stand 31 through the pull rod on, realizes drawing fixedly in the bracket template 10.

Simultaneously through the pull rod of connection between reinforcing bar stand 31 and pre-buried anchor bar 61 fix reinforcing bar stand 31 on tailwater outer wall 40 and tailwater gate pier 50, and make reinforcing bar stand 31 set up inside bracket template 10 to pour reinforcing bar stand 31 inside bracket structure in bracket structure's work progress, when satisfying interior fixed bracket template 10 that draws, guaranteed bracket structure's bulk strength.

The pull rod specifically comprises a front pull rod 33 arranged between the template 10 and the steel bar upright 31 and a rear pull rod 32 arranged between the embedded anchor bars 61 and the steel bar upright 31, the front pull rod 33 adopts phi 16 pull bars, and the embedded upright rear pull rod 32 adopts phi 20 pull bars, so that the tensile strength of the internal-pulling part structure is ensured.

Based on the above-mentioned angle that the external cantilever tripod 21 supports the external cantilever formwork support frame 22, the external cantilever tripod 21 in this embodiment includes a plurality of, and the interval distribution is on the lateral wall of tailrace outer wall 40 and tailrace gate pier 50, and the external cantilever formwork support frame 22 is set up between a plurality of external cantilever tripods 21. The outer overhanging tripod 21 can be used as a plurality of supporting bases, so that the outer overhanging formwork support frame 22 spans among the outer overhanging tripods 21, and the supporting stability is enhanced.

Template support frame 22 of encorbelmenting outward specifically includes the support framed bent that constitutes by the hank scaffold overlap joint, and further, supports the framed bent including supporting horizontal pole 23, supporting vertical pole 24 and supporting down tube 25, support vertical pole 24 and connect on the crossbeam 26 of tripod 21 encorbelments outward, the crossbeam 26 of tripod 21 encorbelments outward is as the main bearing structure who supports the framed bent bottom, can provide the reliable stable support in bottom through the form of being connected with supporting vertical pole 24.

Support horizontal pole 23 and support down tube 25 all with support vertical pole 24 fixed connection, guaranteed to support framed bent overall structure's stability, support vertical pole 24 and the tip that supports down tube 25 all connects on tail water outer wall 40 and tail water gate pier 50, except above-mentioned bottom sprag, further, in order to strengthen the holding power that supports framed bent side direction, be provided with even wall spare 70 on the lateral wall of tail water outer wall 40 and tail water gate pier 50 respectively, the tip that supports vertical pole 24 and support down tube 25 connects with even wall spare 70 respectively. Through this kind of mode of setting up, can make the support bent frame obtain stable support in bottom and lateral part, guaranteed the intensity that outer template support frame 22 of encorbelmenting supported bracket template 10.

The outer cantilever tripod 21 in this embodiment is in the form of a cantilever template 10 tripod, and the installation and fixing mode is performed with reference to the installation of the cantilever template 10 by adopting a supporting tripod of the cantilever template 10.

The top cross beam 26 of the triangular frame of the cantilever template 10 is connected with the embedded positioning cone 60, and in order to ensure the stable anchoring effect of the embedded positioning cone 60, the embedded length of the embedded positioning cone 60 in the tailwater outer wall 40 and the tailwater gate pier 50 is not less than 50cm.

The interval of cantilever template 10 tripod in this embodiment is not more than 1.5m, for the convenience of operation, about 1.5m should be guaranteed apart from corbel template 10 slope starting point to pre-buried location awl 60, and the guardrail and the operating platform of cantilever template 10 tripod all adopt supporting guardrail and the operating platform of cantilever big template 10, and cantilever template 10 tripod installation should wait to go on again after the concrete strength of tailwater outer wall 40 and tailwater gate pier 50 satisfies the requirement.

The formwork 10 is laid on a cross beam 26 of a tripod of the cantilever formwork 10 to serve as an operation platform, the cross beam 26 of the tripod of the cantilever formwork 10 serves as a force application point of a steel pipe support bent frame, and the support longitudinal rods 24 are arranged on the cross beam 26 of the tripod at intervals of 50cm and are welded and fixed on the tripod through steel bars. The support cross rods 23 comprise large cross rods and small cross rods, the step pitch of the large cross rods is 80cm, and the distance between the small cross rods is the same as the horizontal arrangement distance of a tripod of the cantilever formwork 10. Meanwhile, two rows of supporting inclined rods 25 are arranged on the side face at equal intervals, and the supporting inclined rods 25 are welded and fixed on the tail water outer wall 40 and the wall connecting piece 70 of the concrete wall face of the tail water gate pier 50. The supporting bent is provided with horizontal rods, the distance between the horizontal rods and the supporting bent is not more than 1.5m, and a walking channel with a certain width is erected between the horizontal rods and the formwork 10, so that the horizontal rods are convenient for constructors to walk. And a ladder stand is arranged on one side of the support bent frame, and phi 48 x 3.5 steel pipes are used, and the step spacing is controlled within 20-30 cm. A safety net and a dense mesh net are hung in the supporting bent frame rising along with the construction bin surface. The operation platform can only be used as a stress and construction operation platform for supporting the bent, and any construction materials and construction equipment are strictly forbidden to be stacked.

Referring to fig. 5-6, based on the above-mentioned template support module 20 of encorbelmenting outward, the utility model discloses well pull-in stand consolidates reinforcing bar stand 31 of module 30 and includes snakelike reinforcing bar stand 31, and at least a part of snakelike reinforcing bar stand 31 stretches into in the concrete of tailwater outer wall 40 and tailwater gate pier 50, and stretches into length and is not less than 80cm.

The main reinforcement 34 of the snake-shaped steel bar upright column 31 is made of three-level steel with the diameter of 28mm, the inclined web reinforcement 35 is made of three-level steel with the diameter of 16mm, the whole body is transported to a construction site by a 5t dump truck, and a gantry crane or a truck crane is hoisted. The concrete depth of the snake-shaped steel bar upright post 31 embedded in the tail water outer wall 40 and the tail water gate pier 50 is not less than 80cm, the water flow direction distance from the concrete edge is not less than 0.5m, the distance between the water flow direction and the concrete edge is 0.75m, the specific position is determined according to the installation position of the template 10, and local adjustment can be carried out according to the actual situation on site. When arranging, the triangular snake-shaped steel bar upright post 31 faces the upstream and is in a regular triangle shape, and the verticality of the triangular snake-shaped steel bar upright post 31 is controlled within 3 cm. When embedding the triangular snakelike steel bar upright post 31, the embedding position needs to be accurate, and the snakelike post is prevented from running or deviating.

The front pull rod 33 and the rear pull rod 32 are both connected to a main rib 34 of the steel bar upright 31, a pull rod fixing rib 11 is arranged on the template 10, and the front pull rod 33 is connected between the main rib 34 and the pull rod fixing rib 11.

Referring to fig. 7 and with reference to fig. 8, the embedded anchor bars 61 specifically include oblique-pulling anchor bars 62, and the installation position of the oblique-pulling anchor bars 62 is determined according to the embedded position of the serpentine steel upright 31, so as to ensure that the included angle between the oblique-pulling anchor bars 62 and the horizontal concrete plane is 45 °. Three-level steel with the diameter of 28mm is used as the diagonal draw anchor bars 62 to be pre-embedded, the depth of embedding concrete is not less than 50cm, the concrete is exposed by 20cm, and the included angle between the deviation downstream of the pre-embedded diagonal draw anchor bars 62 and the warehouse-in surface is controlled within the range of 30-45 degrees.

The rear pull rod 32 is hooked on the inclined pull anchor bars 62, and the opening part of the rear pull rod 32 is provided with a sealing steel bar 63, so that the stability of the rear pull rod 32 in connection with the embedded anchor bars 61 is ensured.

After the embedded completion of triangle snakelike reinforcing bar stand 31, in order to guarantee the overall stability of stand, set up horizontal tie bar according to the interval that is not more than 1.0m on the stand direction of height of exposing, and set up two slant lacing wires between every three reinforcing bar stand 31, horizontal tie bar and vertical tie bar all adopt diameter 25 mm's reinforcing bar, adopt the welding with the stand connection, concrete column slant lacing wire adopts diameter 20 mm's reinforcing bar, connect pre-buried anchor bar 61 and reinforcing bar stand 31 according to 45 jiaos, adopt welded connection, welding length and quality should be gone on according to the standard requirement.

After the formwork 10 is fastened by the outer support inner pull, secondary reinforcement of the formwork 10 is required. Specifically, the upstream face formwork 10 is reinforced by adopting an 'internal pulling + upright post' mode, the horizontal distance of the pull rods is 75cm, the oblique distance is 70cm, the front pull rod 33 of the embedded steel bar upright post 31 adopts a phi 16 pull rod, and the rear pull rod 32 of the embedded steel bar upright post 31 adopts a phi 20 pull rod. The net spacing of the triangular snake-shaped steel bar upright columns 31 is 75cm, 2 phi 48X 3.5 steel pipes are adopted for the transverse wails of the template 10, and the spacing is 70cm. Vertical waiters adopt phi 48X 3.5 steel pipes, and the distance between every two adjacent steel pipes is 75cm. When the template 10 is installed, double-sided sponge adhesive tapes are clamped between abutted seams, and the bottom opening of the template 10 is pressed by the double-sided sponge adhesive tapes to ensure tight seams of the template 10.

When in construction, the rear pull rod 32 of the steel bar upright column 31 is welded firstly, and after the upright column is well reinforced, the upright column is erected and waited. The method comprises the steps of firstly bottoming by using a shaping steel template 10, installing horizontal wails and bottom row pull rods, then placing the vertical wails on the inner sides of the horizontal wails, properly screwing nuts, and reinforcing the bottoms of the vertical wails. The tops of vertical wails are reinforced by phi 16 hanging ribs, the height of the vertical wails is higher than the installation height of the template 10, and vertical wails are connected into a whole by phi 48 x 3.5 steel pipes. Finally, the template 10 is assembled between the vertical wails, the wails are installed according to the designed intervals in the installation process of the template 10, and the pull rod is welded in time for reinforcement. Enclosing wails are bound with the templates 10 through 10# lead wires, and the templates 10 are connected through U-shaped cards. And after the template 10 is completely installed, checking and adjusting the template 10, and reinforcing after the template is adjusted to be qualified. All welding parts are fully welded, the length of a welding line is more than or equal to 10d during single-side welding, and the welding quality is required to be ensured.

The flatness, the strength and the rigidity of all the templates 10 meet the standard requirements, the joints are tight, the reinforcement is firm, and the slab staggering and the deformation are controlled within the allowable range. After the template 10 is installed, the release agent must be coated, and the uniformity of the release agent is ensured during coating.

Through the utility model provides a bracket template braced system can effectively reduce the operation degree of difficulty that template 10 supported to realized the operation in the upstream side, solved in the at utmost and can't carry out the difficult problem that reliably supports to template 10 because of the drop height.

The utility model discloses in to above-mentioned bracket template braced system's structure carry out the atress check calculation, include wherein:

(1) Calculation of stress on corbel template

Referring to fig. 9, according to the load value and the corresponding load polynomial coefficient of the template construction specification of hydropower and hydraulic engineering (DL-T5110-2013), the formula of the pressure on the concrete side F side =0.22 γ ct0 β 1 β 2v1/2 is used to calculate the F side =33.92KN/m2. And calculating to obtain F level =732.73KN according to the worst slope ratio of the bracket, so that the concrete side pressure component perpendicular to the direction of the template is as follows: total =518.04KN on F side. The total vertical force pressure of the vertical load on the template is: f vertical =1192.48KN. Therefore, the component force of the vertical load vertical template is as follows: f vertical total = =843.08KN. From the above, the total pressure perpendicular to the corbel template is N = F side total + F vertical total =1361.12KN.

(2) Checking calculation of bearing capacity of bracket template pull rod

The corbel template pull rod is phi 16 deformed steel, the cross-sectional area of the phi 16 pull rod is calculated to be 200.96mm2, the pull rod is calculated by adopting a formula N/S to be less than or equal to f, and f in the formula is the tensile bearing capacity of the steel bar and is 215N/mm < 2 >. S = N/f =6330.79mm2 is calculated. Need to make sure that

The number of round steel: n is more than or equal to 32 pieces of the tie bars can meet the requirement as the counter-bracing tie bars. And 78 pull rods are actually arranged in the rod placing device, so that the use requirement can be met.

(3) Stress checking calculation for support structure steel bar snakelike column

Calculating according to an upright column stress formula sigma = F axis/3 AB ψ is less than or equal to F, wherein the F axis = N148.09KN, and then according to a matched formula: ix =2aby2, i = = (Ix/3 AB) 1/2, yielding λ = l/i =29.39, the length coefficient is calculated per structural column according to steel structure design standard GB 50017-2017: λ np = [ λ 2+42 × 3AB/3 AP/(1.5-cos 2 θ) ]1/2=32.2, find ψ =0.929 in the table of the stability coefficient of the addendum D axis compression member of steel structure design standard GB50017-2017 ], finally calculate according to σ = F axis/3A ψ formula to obtain σ =65.09 (N/mm 2) < F =215 (N/mm 2), so it can be known from the above calculation that the serpentine steel bar upright post can satisfy the use requirements, and simultaneously set up Φ 25 steel bars between the serpentine steel bar upright posts as the tie bars, further guarantee the integrity of the reinforced structure.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The bracket template supporting system of the tail horizontal platform of the power plant house is characterized by comprising templates arranged on a tail water outer wall and a tail water gate pier, wherein the templates are externally supported by an externally-cantilevered template supporting module and internally reinforced by an internally-pulled upright post reinforcing module;

the internal stay post reinforcing module comprises a steel bar stand post, pull rods are connected to two sides of the steel bar stand post, one side of the pull rods are anchored on pre-buried anchor bars of the tail water outer wall and the tail water gate pier, and the other side of the pull rods are connected to the template.

2. The corbel formwork support system according to claim 1, wherein the plurality of outer cantilevered tripods are spaced apart from one another on the tailwater exterior wall and the exterior sidewall of the tailwater gate pier, and the outer cantilevered formwork support frame is disposed between the plurality of outer cantilevered tripods.

3. The corbel formwork support system according to claim 2, wherein the cantilever formwork support frame includes a support bent frame, the support bent frame includes a support cross rod, a support longitudinal rod and a support diagonal rod, the support longitudinal rod is connected to the cross beam of the cantilever tripod, the support cross rod reaches the support diagonal rod and the support diagonal rod are both fixedly connected to the support longitudinal rod, and the end of the support diagonal rod is connected to the wall connecting piece arranged on the outer wall of the tailrace water outer wall and the outer wall of the tailrace water gate pier.

4. The corbel template support system according to claim 2, wherein the outer cantilevered legs include cantilevered template legs spaced no more than 1.5m apart.

5. The corbel template support system according to claim 4, wherein the cross beam of the cantilever template tripod is connected with the embedded positioning cone, and the embedded length of the embedded positioning cone in the tailwater outer wall and the tailwater gate pier is not less than 50cm.

6. The corbel form support system according to any of claims 1-5, wherein the rebar columns comprise serpentine rebar columns, at least a portion of which extend into the concrete of the tailwater exterior wall and tailwater gate pier, and extend no less than 80cm in length.

7. The corbel form support system according to claim 6, wherein the reinforcement columns include triangular serpentine columns with a cross section of a regular triangle, the main reinforcement diameter of the triangular serpentine columns is not less than 28mm, and the diagonal web reinforcement diameter is not less than 16mm.

8. The corbel formwork support system according to claim 6, wherein the pre-embedded anchor bars comprise cable-stayed anchor bars obliquely inserted into the tail water outer wall and the concrete structure in the tail water gate pier, and an included angle between each cable-stayed anchor bar and the concrete plane is 45 degrees.

9. The corbel formwork support system according to claim 6, wherein the tie bars are connected to the main reinforcement of the rebar columns, tie bar fixing ribs are provided on the formwork, and the tie bars are connected between the main reinforcement and the tie bar fixing ribs.

10. The corbel formwork support system according to claim 6, wherein transverse tie bars are connected between the rebar columns, and two diagonal tie bars are provided between every three rebar columns.

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