Recycled aggregate geopolymer concrete beam and production method thereof
By using fiber composite reinforced material grids and staggered grid-fixed steel bars in recycled aggregate geopolymer concrete beams, the problem of unstable mechanical properties of recycled aggregate geopolymer concrete beams was solved, and the effects of reducing steel consumption and improving production efficiency were achieved.
Patent Information
- Application Number
- CN202510102378.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2045-01-22
AI Technical Summary
The mechanical properties of existing recycled aggregate geopolymer concrete are not stable enough, resulting in the need for increased reinforcement and steel consumption in construction.
Grids made of fiber composite reinforced materials are used as stirrups in the beam, and horizontal steel bars are fixed by staggered arrangement of type I and type II grids, combined with recycled aggregate geopolymer concrete to replace traditional silicate concrete.
The mechanical properties of recycled aggregate geopolymer concrete beams are improved, the use of steel is reduced, the multiple advantages of environmental protection and energy saving are achieved, and production efficiency is improved.
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Figure CN119664049B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of construction, in particular to a recycled aggregate geopolymer concrete beam and a production method thereof. Background Art
[0002] With the global growth of urbanization, concrete, an essential resource for urban construction, is facing increasing consumption. Ordinary Portland cement, an essential component of concrete, is also experiencing a corresponding rise in demand. However, its production not only consumes significant amounts of natural resources but also severely pollutes the environment, making it incompatible with sustainable human development.
[0003] To address the depletion of ordinary silicate cement, recycled aggregate geopolymer concrete has emerged. Recycled aggregate primarily refers to crushed concrete waste. Geopolymer is a novel inorganic cementitious material made by activating raw materials containing aluminosilicate active components with an alkaline activator. Geopolymer can be produced from waste glass, blast furnace slag, steel slag, fly ash, metakaolin, and construction waste dust. Geopolymer production consumes only 10% to 30% of the energy used by ordinary Portland cement, and emits only one-sixth the carbon dioxide.
[0004] At present, although this new type of recycled aggregate geopolymer concrete is more environmentally friendly and low-carbon, its mechanical properties are not stable enough compared to ordinary Portland cement. In actual applications, more reinforcement is often required to ensure safety, resulting in increased consumption of construction steel. Summary of the Invention
[0005] The technical problem to be solved by the present invention is to provide a recycled aggregate geopolymer concrete beam to reduce the consumption of ordinary Portland cement and steel.
[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: a recycled aggregate geopolymer concrete beam, comprising an I-beam, a grid, horizontal steel bars and concrete;
[0007] There are multiple grids, which are arranged on both sides of the web of the I-beam and along the length of the I-beam, and the horizontal steel bars pass through the small grids of the grids;
[0008] The concrete is poured on both sides of the web of the I-beam, and the concrete is recycled aggregate geopolymer concrete;
[0009] The material of the grid is fiber composite reinforced material. There are various types of fiber reinforced composite materials (Fiber Reinforced Polymer). Commonly used ones in the construction field include glass fiber reinforced composite plastic (GFRP), carbon fiber reinforced composite plastic (CFRP) and basalt fiber reinforced polymer (BFRP).
[0010] The recycled aggregate geopolymer concrete beam of the present invention uses recycled aggregate geopolymer concrete instead of traditional silicate concrete, reducing the consumption of traditional cement; using FRP grids as stirrups inside the beam can not only ensure the mechanical properties of the recycled aggregate geopolymer concrete beam, but also reduce the amount of steel used, so that the recycled aggregate geopolymer concrete beam of the present invention has multiple advantages of environmental protection, energy saving and low cost.
[0011] In the recycled aggregate geopolymer concrete beam of the present invention, the horizontal steel bars pass through the small grids of the grid. Generally speaking, the small grids are square and larger than the diameter of the horizontal steel bars, which will cause the horizontal steel bars to be unable to be fixed in the small grids. In order to solve this problem, the grids in the present invention are not all aligned. The grids are divided into Class I grids and Class II grids according to their positions on the I-beam. The shapes and structures of Class I grids and Class II grids are the same, and the only difference between the two is the position on the I-beam, that is, Class I grids are aligned with Class I grids, but Class II grids are not aligned with Class I grids. Class I grids and Class II grids are arranged alternately along the length direction of the I-beam. Class I grids and Class II grids are staggered so that an inner corner of the small grid of Class I grid and an inner corner of the small grid of Class II grid jointly clamp the horizontal steel bars to ensure that the horizontal steel bars cannot shake in the small grids.
[0012] Furthermore, the recycled aggregate geopolymer concrete beam also includes a first steel member, and the first type of grille is fixed to the web of the I-beam by the first steel member. The first steel member includes an angle steel and an insert arranged on the angle steel, and the shape of the insert matches the shape of the small grid of the grille. The insert is inserted into the small grid of the first type of grille, and the angle steel is welded to the web of the I-beam.
[0013] Furthermore, the recycled aggregate geopolymer concrete beam also includes a second steel member, which is wedge-shaped. The second steel member is inserted between the second type of grid and the web of the I-beam from one end of the second type of grid. The second steel member lifts the second type of grid so that the second type of grid is misaligned with the first type of grid. The second steel member is welded to the web of the I-beam.
[0014] The present invention also provides a method for producing a recycled aggregate geopolymer concrete beam, which specifically comprises a first auxiliary component, and the recycled aggregate geopolymer concrete beam of the present invention is produced using the first auxiliary component;
[0015] The first auxiliary component includes a steel bar frame, an intermediate frame plate and a pad. The steel bar frame includes a lifting rod and an end frame plate installed on the lifting rod. The surface of the end frame plate is provided with a first sleeve for inserting the end of the horizontal steel bar. The number and relative position of the first sleeves should be consistent with the number and relative position of the horizontal steel bars in the recycled aggregate geopolymer concrete beam of the present invention. The surface of the intermediate frame plate is provided with a through hole for the horizontal steel bar to pass through.
[0016] The production method of the recycled aggregate geopolymer concrete beam specifically comprises the following steps:
[0017] Step 1: Place the I-beam horizontally with its web in a horizontal position;
[0018] Step 2: Place a steel frame at each end of the I-beam;
[0019] Step 3: Place the middle frame plate on the horizontal reinforcement and insert both ends of the horizontal reinforcement into the reinforcement frames at both ends of the I-beam;
[0020] Step 4: Place the pad horizontally in the middle of the I-beam, then lower the end plates of the steel frame until the middle plate rests on the pad. Then, remove one steel frame to free up one end of the horizontal steel bar.
[0021] Step 5: Insert the set number of grilles into the horizontal steel bars in sequence;
[0022] Step 6: Reinstall the removed steel frame;
[0023] Step 7: Remove the pad, push the middle frame plate in the middle position to the edge, and adjust the spacing of all grilles on the horizontal reinforcement to meet the requirements of the drawing;
[0024] Step 8: Lower the end frame plate of the steel frame again until all the grilles fall onto the web of the I-beam, and then install and weld the first steel piece so that all the first-class grilles are fixed to the web of the I-beam;
[0025] Step 9: Insert the second steel piece from one end of the second type grille between the second type grille and the web of the I-beam. The second steel piece lifts the second type grille so that it is offset from the first type grille and clamps the horizontal reinforcement. Then weld the second steel piece to the web of the I-beam.
[0026] Step 10: After all horizontal reinforcement and grids are installed, pour the recycled aggregate geopolymer concrete.
[0027] Furthermore, a second sleeve is provided at the perforation of the middle frame plate, and the second sleeve can cover the first sleeve. The middle frame plate can be directly inserted into the first sleeve of the end frame plate of the steel frame using the second sleeve, which facilitates the operation of step 3.
[0028] In step 8, although all the grilles are placed on the horizontal steel bars, the size of the small grids is larger than the diameter of the steel bars, so all the grilles cannot be aligned neatly. Therefore, in step 8, the positions of all the first-class grilles are fine-tuned so that all the first-class grilles are aligned.
[0029] In step 9, it is necessary to push the second steel piece at the inner corner of the I-beam while welding the second steel piece. To facilitate the operation, a second auxiliary component is used in step 9.
[0030] The second auxiliary component includes a housing, a central shaft, a rotating sleeve and a shift lever. The bottom of the housing is provided with a slot that can be inserted into the wing plate of the I-beam. The central shaft is installed in the housing, the rotating sleeve is sleeved on the central shaft, and the shift lever is fixed to the rotating sleeve.
[0031] The bottom of the lever is aligned with the second steel member. In step 9, the worker pulls the lever, and the lever pushes the second steel member to be inserted between the second type grid and the web of the I-beam.
[0032] During the above operation, the worker cannot let go of the lever after pulling it, which is not conducive to the welding operation of the second steel piece. To further facilitate the operation, the second auxiliary assembly further includes a first connecting rod, a second connecting rod and a one-way device.
[0033] The one-way device includes a housing, a moving rod, a sealing bolt, a spring, and steel balls. The housing is provided with a blind hole, the bottom of which is bowl-shaped, and the sealing bolt seals the blind hole. The moving rod is inserted into the blind hole through the sealing bolt and passes through the bottom of the blind hole. The blind hole is provided with a spring and steel balls distributed around the moving rod. The spring pushes the steel balls onto the inclined surface of the bottom of the blind hole. The steel balls are squeezed between the inclined surface of the bottom of the blind hole and the moving rod, so that the moving rod can only translate in one direction.
[0034] One end of the first connecting rod is fixed to the shifting rod, and the other end is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the moving rod;
[0035] After the worker pulls the lever, the rotating sleeve drives the movable rod to translate through the first connecting rod and the second connecting rod; after the lever moves the second steel part to the specified position, the worker can release the lever. Due to the one-way translation and reverse locking characteristics of the movable rod, the lever can still stop stably at the current position after the worker lets go.
[0036] Furthermore, an unlocking gasket is provided at the bottom of the blind hole, and an unlocking rod is provided on the unlocking gasket, which passes through the bottom of the blind hole; when the worker pushes the unlocking rod, the unlocking gasket will push the steel ball to move horizontally and compress the spring. At this time, a gap appears between the steel ball and the moving rod, and the one-way locking function of the moving rod is released. The worker can reverse the lever to its initial position again.
[0037] Beneficial effects: (1) The recycled aggregate geopolymer concrete beam of the present invention uses recycled aggregate geopolymer concrete instead of traditional silicate concrete, reducing the consumption of traditional cement; using FRP grids as stirrups in the beam can not only ensure the mechanical properties of the recycled aggregate geopolymer concrete beam, but also reduce the amount of steel used, so that the recycled aggregate geopolymer concrete beam of the present invention has multiple advantages of environmental protection, energy saving and low cost. (2) The recycled aggregate geopolymer concrete beam of the present invention realizes the fixed connection between the grid and the horizontal steel bar by staggering the first type grid and the second type grid, and realizes the production and installation of a structure similar to the traditional steel cage without bundling. (3) The production method of the recycled aggregate geopolymer concrete beam of the present invention uses steel frame, intermediate frame plate and pad to realize the synchronous arrangement and installation of horizontal steel bar and grid, thereby improving the production efficiency of the beam. (4) The production method of the recycled aggregate geopolymer concrete beam of the present invention uses the second auxiliary component with a one-way device to realize the pushing action of the second steel part and temporarily fix the second steel part in the current position, thereby greatly improving the installation efficiency of the second steel part. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] Figure 1 This is a three-dimensional view of the recycled aggregate geopolymer concrete beam of Example 1.
[0039] Figure 2 This is a three-dimensional diagram of the first steel part in Example 1.
[0040] Figure 3 It is a three-dimensional diagram of a type of grille and a first steel member in Example 1.
[0041] Figure 4 This is the installation diagram of the second type of grille and the second steel member in Example 1.
[0042] Figure 5 This is a front view of a type of grille after installation in Example 1.
[0043] Figure 6 This is a front view of the second type of grille after installation in Example 1.
[0044] Figure 7 This is a front view of the first type grille and the second type grille after installation in Example 1.
[0045] Figure 8 This is a production flow chart of recycled aggregate geopolymer concrete beams in Example 1 (part 1).
[0046] Figure 9 This is the production flow chart of recycled aggregate geopolymer concrete beams in Example 1 (part 2).
[0047] Figure 10 This is the production flow chart of recycled aggregate geopolymer concrete beams in Example 1 (part 3).
[0048] Figure 11 This is the production flow chart of recycled aggregate geopolymer concrete beams in Example 1 (Part 4).
[0049] Figure 12 This is the installation diagram of the second type of grille in Example 1 (part 1).
[0050] Figure 13 yes Figure 12 A magnified view of .
[0051] Figure 14 This is the installation diagram of the second type of grille in Example 1 (part 2).
[0052] Figure 15 yes Figure 14 B is an enlarged view of .
[0053] Figure 16 This is a schematic diagram of unlocking the one-way device in Example 1.
[0054] Among them: 100, I-beam; 200, grille; 210, first type grille; 220, second type grille; 300, horizontal steel bar; 400, first steel member; 500, second steel member; 600, first auxiliary component; 610, steel bar frame; 611, lifting rod; 612, end frame plate; 613, first sleeve; 620, middle frame plate; 621, second sleeve; 630, pad; 700, second auxiliary component; 710, outer shell; 711, slot; 720, central axis; 730, rotating sleeve; 740, shift rod; 750, first connecting rod; 760, second connecting rod; 770, one-way device; 771, shell; 771-1, blind hole; 772, moving rod; 773, sealing bolt; 774, spring; 775, steel ball; 776, unlocking gasket; 777, unlocking rod. DETAILED DESCRIPTION
[0055] The present invention will be further described in detail below with reference to specific embodiments.
[0056] Example 1
[0057] like Figure 1 As shown, the recycled aggregate geopolymer concrete beam of this embodiment includes an I-beam 100 , a grid 200 , horizontal steel bars 300 , concrete, a first steel member 400 , and a second steel member 500 .
[0058] There are multiple grids 200, which are arranged on both sides of the web of the I-beam 100 and along the length of the I-beam 100. The horizontal steel bars 300 pass through the small grids of the grids 200. Figure 3 As described above, the grid 200 has a plurality of small square grids arranged in a matrix form.
[0059] In this embodiment, the grids 200 on one side of the web of the I-beam 100 are not all aligned. The grids 200 are divided into a first type grid 210 and a second type grid 220 according to their positions on the I-beam 100. The first type grid 210 and the second type grid 220 have the same shape and structure. They only differ in their positions on the I-beam 100, that is, the first type grid 210 is aligned with the first type grid 210, but the second type grid 220 is not aligned with the first type grid 210. The first type grid 210 and the second type grid 220 are arranged alternately along the length of the I-beam 100. Figures 5 to 7 As shown, the first type grid 210 and the second type grid 220 are staggered so that an inner corner of a small grid of the first type grid 210 and an inner corner of a small grid of the second type grid 220 jointly clamp the horizontal steel bar 300, ensuring that the horizontal steel bar 300 cannot shake in the small grid.
[0060] like Figure 2 As shown, the first steel member 400 includes an angle steel and an insert disposed on the angle steel, the shape of the insert matching the shape of the small grid of the grille 200, as shown in FIG. Figure 3 As shown, the plug is inserted into a small grid of a type of grid 210, such as Figure 5 As shown, a type of grid 210 can be fixed by welding angle steel to the web of the I-beam 100.
[0061] like Figure 4 As shown, the second steel member 500 is wedge-shaped. The second steel member 500 is inserted from one end of the second type of grid 220 between the second type of grid 220 and the web of the I-beam 100. The second steel member 500 lifts the second type of grid 220 so that the second type of grid 220 is misaligned with the first type of grid 210. The second steel member 500 is welded to the web of the I-beam 100.
[0062] After the grid 200 and the horizontal reinforcement 300 are installed, concrete is poured on both sides of the web of the I-beam 100 to form a beam. The concrete used in this embodiment is recycled aggregate geopolymer concrete. The grid 200 is made of fiber composite reinforced material.
[0063] This embodiment also provides a method for producing a recycled aggregate geopolymer concrete beam, which requires the use of a first auxiliary component 600 and a second auxiliary component 700 .
[0064] like Figure 8 and Figure 9As shown, the first auxiliary component 600 includes a steel frame 610, an intermediate frame plate 620 and a pad 630. The steel frame 610 includes a lifting rod 611 and an end frame plate 612 installed on the lifting rod 611. The surface of the end frame plate 612 is provided with a first sleeve 613 for inserting the end of the horizontal steel bar 300. The number and relative position relationship of the first sleeve 613 should be consistent with the number and position relationship of the horizontal steel bars 300 in the recycled aggregate geopolymer concrete beam. The surface of the intermediate frame plate 620 is provided with a through hole for the horizontal steel bar 300 to pass through. The through hole of the intermediate frame plate 620 is provided with a second sleeve 621, and the second sleeve 621 can cover the first sleeve 613.
[0065] like Figure 12 and Figure 13 As shown, the second auxiliary component 700 includes a shell 710, a central axis 720, a rotating sleeve 730, a shift rod 740, a first connecting rod 750, a second connecting rod 760 and a isolator 770. The bottom of the shell 710 is provided with a slot 711 that can be inserted into the wing plate of the I-beam 100. The central axis 720 is installed in the shell 710, the rotating sleeve 730 is sleeved on the central axis 720, and the shift rod 740 is fixed on the rotating sleeve 730.
[0066] The one-way device 770 includes a shell 771, a moving rod 772, a sealing bolt 773, a spring 774, a steel ball 775, an unlocking gasket 776 and an unlocking rod 777. The shell 771 is provided with a blind hole 771-1, the bottom of the blind hole 771-1 is bowl-shaped, and the sealing bolt 773 closes the blind hole 771-1; the moving rod 772 is inserted into the blind hole 771-1 from the sealing bolt 773 and passes through the bottom of the blind hole 771-1. A spring 774 and steel balls 775 distributed around the moving rod 772 are provided in the blind hole 771-1. The spring 774 pushes the steel balls 775 onto the inclined surface of the bottom of the blind hole 771-1, and the steel balls 775 are squeezed between the inclined surface of the bottom of the blind hole 771-1 and the moving rod 772, so that the moving rod 772 can only move in one direction.
[0067] One end of the first connecting rod 750 is fixed to the shifting rod 740 , and the other end is hinged to one end of the second connecting rod 760 . The other end of the second connecting rod 760 is hinged to the moving rod 772 .
[0068] An unlocking gasket 776 is provided at the bottom of the blind hole 771-1, and an unlocking rod 777 is provided on the unlocking gasket 776, which passes through the bottom of the blind hole 771-1; when the worker pushes the unlocking rod 777, the unlocking gasket 776 will push the steel ball 775 to move horizontally and compress the spring 774. At this time, a gap appears between the steel ball 775 and the moving rod 772, and the one-way locking function of the moving rod 772 is released.
[0069] The production method of recycled aggregate geopolymer concrete beams in this embodiment includes the following steps:
[0070] Step 1: If Figure 8 As shown, the I-beam 100 is placed horizontally, and the web of the I-beam 100 is in a horizontal posture;
[0071] Step 2: If Figure 8 As shown, a steel frame 610 is placed at each end of the I-beam 100, and the middle frame plate 620 is directly inserted into the first sleeve 613 of the end frame plate 612 of one of the steel frames 610 using the second sleeve 621;
[0072] Step 3: If Figure 8 As shown, the two ends of the horizontal steel bar 300 are respectively inserted into the steel bar frame 610 at both ends of the I-beam 100. During this process, the middle frame plate 620 is also put on the horizontal steel bar 300;
[0073] Step 4: If Figure 9 As shown, the pad 630 is placed horizontally in the middle of the I-beam 100, the middle frame plate 620 is also moved horizontally to the middle position, and then the end frame plate 612 of the steel frame 610 is lowered until the middle frame plate 620 falls on the pad 630; then, one steel frame 610 is removed to make room for one end of the horizontal steel bar 300;
[0074] Step 5: Figure 9 As shown, a set number of grids 200 are sequentially inserted into the horizontal steel bars 300;
[0075] Step 6: Figure 10 As shown, the removed steel frame 610 is reinstalled;
[0076] Step 7: Figure 10 As shown, remove the backing plate 630, push the middle frame plate 620 in the middle position to the edge, and adjust the spacing of all the grids 200 on the horizontal steel bars 300 to meet the requirements of the drawing;
[0077] Step 8: Figure 11 As shown, the end frame plate 612 of the reinforcement frame 610 is lowered again until all the grilles 200 fall onto the web of the I-beam 100, and the positions of all the first-class grilles 210 are fine-tuned so that all the first-class grilles 210 are aligned. Then, the first steel member 400 is installed and welded so that all the first-class grilles 210 are fixed on the web of the I-beam 100.
[0078] Step 9: Insert the second steel member 500 from one end of the second type grille 220 between the second type grille 220 and the web of the I-beam 100. The second steel member 500 lifts the second type grille 220 so that the second type grille 220 is misaligned with the first type grille 210 and clamps the horizontal steel bars 300. Then, weld the second steel member 500 to the web of the I-beam 100.
[0079] Step 10: After all horizontal reinforcement bars 300 and grids 200 are installed, pour the recycled aggregate geopolymer concrete.
[0080] The second auxiliary component 700 is required to install the second steel member 500 in step 9 above. The specific steps are as follows:
[0081] Step 9-1: If Figure 12 As shown, the second auxiliary assembly 700 is fixed to the wing plate of the I-beam 100 using the slot 711 at the bottom of the housing 710 , and the bottom of the lever 740 is aligned with the second steel member 500 ;
[0082] Step 9-2: If Figure 14 As shown, the worker pulls the lever 740 clockwise, and the lever 740 pushes the second steel member 500 to be inserted between the second type grid 220 and the web of the I-beam 100. The second steel member 500 lifts the second type grid 220 so that the second type grid 220 is misaligned with the first type grid 210 and clamps the horizontal steel bar 300. Figure 15 As shown, when the worker pulls the lever 740 clockwise, the rotating sleeve 730 drives the movable rod 772 to translate to the left through the first connecting rod 750 and the second connecting rod 760. At this time, because the steel ball 775 is squeezed between the bottom inclined surface of the blind hole 771-1 and the movable rod 772, the movable rod 772 is in a one-way locked state, that is, the movable rod 772 can only move to the left and cannot move to the right. Therefore, after pulling the lever 740 clockwise, the worker can release the lever 740 and the lever 740 can still remain in the current position.
[0083] Step 9-3: Welding the second steel member 500 to the web of the I-beam 100;
[0084] Step 9-4: Push the unlocking rod 777 to the left, and the unlocking gasket 776 moves to the left. The unlocking gasket 776 pushes the steel ball 775 to move to the left and compresses the spring 774. At this time, a gap appears between the steel ball 775 and the moving rod 772, and the one-way locking function of the moving rod 772 is released, that is, the moving rod 772 can move freely to the right; then the worker pulls the lever 740 counterclockwise to reset the lever 740 to the position shown in FIG. Figure 13 The status shown.
[0085] The recycled aggregate geopolymer concrete beam of this embodiment uses recycled aggregate geopolymer concrete instead of traditional silicate concrete, reducing the consumption of traditional cement; using FRP grid 200 as the inner stirrups of the beam can not only ensure the mechanical properties of the recycled aggregate geopolymer concrete beam, but also reduce the use of steel, so that the recycled aggregate geopolymer concrete beam of this embodiment has multiple advantages of environmental protection, energy saving and low cost.
[0086] Although the embodiments of the present invention are described in the specification, these embodiments are only for reference and should not limit the scope of protection of the present invention. Various omissions, substitutions and changes without departing from the scope of the present invention should be included in the scope of protection of the present invention.
Claims
1. A recycled aggregate geopolymer concrete beam, characterized by: including I-beams, grillage, horizontal rebar and concrete; There are multiple grilles, which are arranged on both sides of the web of the I-beam and along the length of the I-beam, and the horizontal steel bars pass through the small grids of the grilles; The concrete is poured on both sides of the web of the I-beam, and the concrete is recycled aggregate geopolymer concrete; The material of the grid is fiber composite reinforced material; The grilles are divided into type 1 grilles and type 2 grilles according to their different positions on the I-beam. The type 1 grilles and type 2 grilles are arranged alternately along the length of the I-beam. The type 1 grilles and type 2 grilles are staggered so that an inner corner of a small grid of the type 1 grille and an inner corner of a small grid of the type 2 grille can clamp the horizontal steel bar together. The invention also includes a first steel member, wherein the first type of grille is fixed to the web of the I-beam by the first steel member, wherein the first steel member includes an angle steel and an insert provided on the angle steel, wherein the shape of the insert matches the shape of the small grid of the grille, the insert is inserted into the small grid of the first type of grille, and the angle steel is welded to the web of the I-beam; It also includes a second steel member, which is wedge-shaped. The second steel member is inserted between the second type of grille and the web of the I-beam from one end of the second type of grille. The second steel member lifts the second type of grille so that the second type of grille is misaligned with the first type of grille. The second steel member is welded to the web of the I-beam.
2. A method for producing a recycled aggregate geopolymer concrete beam according to claim 1, characterized in that: producing a recycled aggregate geopolymer concrete beam using the first auxiliary component; The first auxiliary component includes a steel bar frame, an intermediate frame plate and a pad, the steel bar frame includes a lifting rod and an end frame plate installed on the lifting rod, the surface of the end frame plate is provided with a first sleeve for inserting the end of the horizontal steel bar, and the surface of the intermediate frame plate is provided with a through hole for the horizontal steel bar to pass through; The production method of the recycled aggregate geopolymer concrete beam specifically comprises the following steps: Step 1: Place the I-beam horizontally with its web in a horizontal position; Step 2: Place a steel frame at each end of the I-beam; Step 3: Place the middle frame plate on the horizontal reinforcement and insert both ends of the horizontal reinforcement into the reinforcement frames at both ends of the I-beam; Step 4: Place the pad horizontally in the middle of the I-beam, then lower the end plates of the steel frame until the middle plate rests on the pad; then remove one steel frame; Step 5: Insert the set number of grilles into the horizontal steel bars in sequence; Step 6: Reinstall the removed steel frame; Step 7: Remove the pads and adjust the spacing of all grilles on the horizontal reinforcement to meet the requirements of the drawings; Step 8: Lower the end frame plate of the steel frame again until all the grilles fall onto the web of the I-beam, and then install and weld the first steel piece so that all the first-class grilles are fixed to the web of the I-beam; Step 9: Insert the second steel piece from one end of the second type grille between the second type grille and the web of the I-beam. The second steel piece lifts the second type grille so that it is offset from the first type grille and clamps the horizontal reinforcement. Then weld the second steel piece to the web of the I-beam. Step 10: After all horizontal reinforcement and grids are installed, pour the recycled aggregate geopolymer concrete.
3. The method for producing recycled aggregate geopolymer concrete beams according to claim 2, characterized in that: A second sleeve is provided at the through hole of the middle frame plate, and the second sleeve can cover the first sleeve.
4. The method for producing recycled aggregate geopolymer concrete beams according to claim 2, characterized in that: In step 8, the positions of all the grids of the first type are fine-tuned so that all the grids of the first type are aligned.
5. The method for producing recycled aggregate geopolymer concrete beams according to claim 2, characterized in that: Using a second auxiliary component in step 9; The second auxiliary component includes a housing, a central shaft, a rotating sleeve and a shift lever. The bottom of the housing is provided with a slot that can be inserted into the wing plate of the I-beam. The central shaft is installed in the housing, the rotating sleeve is sleeved on the central shaft, and the shift lever is fixed to the rotating sleeve. The bottom of the lever is aligned with the second steel member. In step 9, the worker pulls the lever, and the lever pushes the second steel member to be inserted between the second type grid and the web of the I-beam.
6. The method for producing recycled aggregate geopolymer concrete beams according to claim 5, characterized in that: The second auxiliary assembly further includes a first connecting rod, a second connecting rod and a isolator; The one-way device includes a housing, a moving rod, a sealing bolt, a spring, and steel balls. The housing is provided with a blind hole, the bottom of which is bowl-shaped, and the sealing bolt seals the blind hole. The moving rod is inserted into the blind hole through the sealing bolt and passes through the bottom of the blind hole. The blind hole is provided with a spring and steel balls distributed around the moving rod. The spring pushes the steel balls onto the inclined surface of the bottom of the blind hole. One end of the first connecting rod is fixed on the shifting rod, and the other end is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the moving rod.
7. The method for producing recycled aggregate geopolymer concrete beams according to claim 6, characterized in that: An unlocking gasket is provided at the bottom of the blind hole, an unlocking rod is provided on the unlocking gasket, and the unlocking rod passes through the bottom of the blind hole.
Citation Information
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