CN114753315B - Construction method for replacing reinforcing steel bars with glass fiber reinforced plastic bars for dam panels - Google Patents
Construction method for replacing reinforcing steel bars with glass fiber reinforced plastic bars for dam panels Download PDFInfo
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- CN114753315B CN114753315B CN202210407590.4A CN202210407590A CN114753315B CN 114753315 B CN114753315 B CN 114753315B CN 202210407590 A CN202210407590 A CN 202210407590A CN 114753315 B CN114753315 B CN 114753315B
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- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000011152 fibreglass Substances 0.000 title claims abstract description 16
- 239000003365 glass fiber Substances 0.000 claims abstract description 155
- 239000010410 layer Substances 0.000 claims abstract description 106
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 88
- 239000010959 steel Substances 0.000 claims abstract description 88
- 239000002344 surface layer Substances 0.000 claims abstract description 46
- 238000003860 storage Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 69
- 239000000835 fiber Substances 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 claims 1
- 238000005452 bending Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000005336 cracking Methods 0.000 description 4
- 210000002435 tendon Anatomy 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
- E04C5/073—Discrete reinforcing elements, e.g. fibres
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a construction method for a dam panel by adopting glass fiber reinforced plastic to replace steel bars, which solves the problems of low installation speed, poor crack resistance and high cost of the traditional hot rolled ribbed steel bars adopted by the dam panel of a reservoir, and utilizes a truck crane to horizontally transport the glass fiber reinforced plastic to a temporary storage yard of the dam top steel bars for stacking, and adopts a 5T winch to pull a steel bar trolley to transport to a binding part. The slope is erected and inserted with reinforcing steel bars, two layers of phi 22mm 1 st and 2 nd horizontal sample frame reinforcing steel bars are welded on the inserted reinforcing steel bars, the 1 st bottom layer glass fiber reinforced bar is connected with the 2 nd horizontal sample frame reinforcing steel bars through binding wires, the longitudinal 1 st bottom layer glass fiber reinforced bar is connected with the transverse 2 nd bottom layer glass fiber reinforced bar through binding wires, after the 1 st and 2 nd bottom layer glass fiber reinforced bars are bound, the 2 nd surface layer glass fiber reinforced bar is bound with the upper layer 1 st horizontal sample frame reinforcing steel bar, the transverse 1 st surface layer glass fiber reinforced bar is bound on the upper portion after the longitudinal 2 nd surface layer glass fiber reinforced bar is installed, and the 2 nd surface layer glass fiber reinforced bar is bound with the 1 st surface layer glass fiber reinforced bar.
Description
Technical Field
The glass fiber reinforcement is mainly used for replacing reinforcement in the dam panel of the hydro-electric hydraulic engineering, and can be used for replacing reinforcement in the dam panel construction.
Background
The conventional reservoir dam panels all adopt common hot rolled ribbed steel bars, the conventional steel bars have large quality, slow installation progress, more manpower and poor cracking resistance.
Disclosure of Invention
The invention aims to provide a construction method for a dam panel with easy field installation, improved crack resistance, lower cost and less manpower resources, wherein glass fiber ribs are adopted to replace steel bars.
The object of the invention is achieved in that:
The dam panel adopts glass fiber reinforcement to replace the construction method of reinforcing steel bars, the glass fiber reinforcement is horizontally transported by a truck crane to a temporary storage yard of dam roof reinforcement for stacking, a winch is used for traction of a reinforcing steel bar trolley to a binding position, a reinforcing steel bar 1 is erected on a slope and is perpendicular to the slope, the reinforcing steel bar 1 forms a network consisting of longitudinal and transverse lines with the same spacing on the slope, the reinforcing steel bar 1 is positioned at four corners of a grid of 2x 2m, the reinforcing steel bar 1 penetrates through solid slope mortar to enter cushion materials for 35 cm to 45cm, an upper layer of reinforcing steel bar 3 and a lower layer of reinforcing steel bar 2 are welded on the reinforcing steel bar 1, the reinforcing steel bar 3 and the reinforcing steel bar 2 of the 1 st horizontal sample frame are positioned in the transverse direction of the slope, the outer leakage part of the reinforcing steel bar 1 is flush with the surface of the reinforcing steel bar 3 of the upper layer of the 1 st horizontal sample frame, the 1 st and the 2 glass fiber reinforcement 4 and 5 are bound, the 1 st and 2 bottom layer of the reinforcing steel bar 4 and 5 are respectively positioned in the longitudinal and transverse directions of the slope, firstly binding a 1 st bottom layer glass fiber reinforced bar 4, connecting the 1 st bottom layer glass fiber reinforced bar 4 with a 2 nd horizontal sample frame reinforced bar 2 through binding wires, after the 1 st bottom layer glass fiber reinforced bar 4 is bound, connecting a longitudinal 1 st bottom layer glass fiber reinforced bar 4 with a transverse 2 nd bottom layer glass fiber reinforced bar 5 through binding wires, binding the intersection position of the 1 st bottom layer glass fiber reinforced bar 4 and the 2 nd bottom layer glass fiber reinforced bar 5 by binding wires, binding intersection points of two rows of 1 st bottom layer glass fiber reinforced bars and 2 nd bottom layer glass fiber reinforced bars close to the periphery of a network, binding intersection points of the 1 st bottom layer glass fiber reinforced bars and 2 nd bottom layer glass fiber reinforced bars at the rest of the network according to 50 percent of intersection points, after the 1 st bottom layer glass fiber reinforced bar 4 and 2 nd bottom layer glass fiber reinforced bar 5 are bound, constructing 1 st surface layer glass fiber reinforced bars 6 and 7, arranging the 1 st surface layer glass fiber reinforced bars 6 and 2 surface layer 7 transversely and longitudinally respectively, the 2 nd surface layer glass fiber reinforced bar 7 is bound and connected with the upper layer 1 st horizontal sample frame reinforced bar 3, the longitudinal 2 nd surface layer glass fiber reinforced bar 7 is bound and connected with the 1 st surface layer glass fiber reinforced bar 6 by the transverse 1 st surface layer glass fiber reinforced bar 6 after being installed.
The 1 st and 2 nd bottom layer glass fiber ribs 4 and 5 and the 1 st and 2 nd surface layer glass fiber ribs 6 and 7 are formed by overlapping a plurality of glass fibers, the overlapping length of two adjacent glass fibers is not less than 40 cm, and the binding wire adopts No. 12 iron wires.
And the slope surface inserted steel bar 1 is welded and connected with the steel bars of the 1 st horizontal sample frame and the 2 nd horizontal sample frame after finishing.
The glass fiber manufacturing lengths are different, so that the 1 st and 2 nd bottom layer glass fiber ribs 4 and 5 and the 1 st and 2 nd surface layer glass fiber ribs 6 and 7 are not bound and connected on the same section.
The construction method for the dam panel by adopting glass fiber reinforced plastic to replace steel bars comprises the following steps:
⑴ Glass fiber reinforcement manufacturing and transporting
The surface of the fiber rib should be clean, the surface stain should be cleaned before use, and if the surface of the material is polluted by certain substances or reagents, the fiber rib can be wiped by a solvent. The glass fiber ribs are made of brittle materials, and throwing and collision are avoided during loading, unloading and transportation; and the transverse stay bars are adopted for loading, hanging and transporting, so that the material is prevented from being bent and broken due to overweight. All the glass fiber reinforcements need to be numbered, 18T crane is used for transporting the glass fiber reinforcements to a temporary storage yard of dam crest reinforcements horizontally for stacking, 25T crane is used for placing the processed and formed fiber reinforcements on a slope reinforcement trolley according to the number, 5T winch is used for towing the reinforcement trolley, 1T fiber reinforcements are transported to a mounting working surface each time, and the fiber reinforcements are manually mounted on site,
⑵ Laying slope surface inserted steel bar
The total station is adopted for measuring and lofting, grid lines are piled and arranged, phi 25mm screw steel is adopted for inserting steel bars, the interval distance is 2 multiplied by 2m, the steel bars are manually driven into cushion materials by using hammers for 40cm, personnel use a crawling ladder to go up and down, and binding safety ropes are adopted, the outer leakage part of the inserted steel bars is flush with the surface of the steel bars of the upper horizontal sample frame, the design positions of the 1 st sample frame steel bars 2 and the 2 nd sample frame steel bars 3 are marked on the inserted steel bars through measurement,
⑶ Sample rack steel bar installation
Immediately installing sample frame steel bars after finishing the slope steel bar inserting layout, wherein the sample frame steel bars are phi 22mm round steel, an upper layer and a lower layer are arranged together, the 1 st sample frame steel bar and the 2 nd sample frame steel bar are horizontally arranged, the distance is 2.0m, the 1 st sample frame steel bar and the 2 nd sample frame steel bar are 2, 3 rd sample frame steel bars are manually welded at the marked positions of the inserted steel bars 1 by using electric welding machines, the external leakage parts of the inserted steel bars are flush with the surface of the steel bar of the upper layer horizontal sample frame,
⑷ The 1 st and 2nd bottom fiberglass tendons 4 and 5 are installed
After the construction of the sample frame rib is finished, the bottom fiber rib is installed, the 1 st bottom layer glass fiber rib 4 is firstly bound, the 1 st bottom layer glass fiber rib 4 is bound and connected with the 2 nd horizontal sample frame rib 2 by using a 12# iron wire, the connection position meets the requirement of a design drawing, the 2 nd bottom layer glass fiber rib 5 is bound after the 1 st bottom layer glass fiber rib 4 is bound, the 1 st bottom layer glass fiber rib 4 and the 2 nd bottom layer glass fiber rib 5 are bound by using a 12# iron wire, the intersection points close to the peripheral two rows of the 1 st bottom layer glass fiber rib 4 and the 2 nd bottom layer glass fiber rib 5 are bound by points, the intersection points of the rest 1 st bottom layer glass fiber rib 4 and the 2 nd bottom layer glass fiber rib 5 are bound according to 50 percent of intersection points,
⑸ Binding surface layer glass fiber ribs
After the 1 st and 2 nd bottom glass fiber ribs 4 and 5 are bound, the 1 st and 2 nd surface layer fiber ribs 6 and 7 are constructed, the longitudinal 2 nd surface layer fiber rib 7 is bound and connected with the upper layer 2 nd horizontal sample frame steel bar 3, the upper part of the 2 nd surface layer fiber rib 7 is bound by the transverse 1 st surface layer fiber rib 6 after being installed, the 1 st and 2 nd surface layer fiber ribs are bound by binding wires, the above fiber ribs are all in lap joint, the lap joint length is not less than 40 cm, and the binding wires are made of No. 12 iron wires.
The invention has the following advantages:
the construction method of the material increases the cracking resistance of the concrete on the premise of ensuring the strength of the steel bar to be unchanged, improves the construction time efficiency compared with the traditional material, and saves the cost.
The glass fiber reinforced plastic has high tensile strength, light weight, strong corrosion resistance and strong material binding force, and effectively reduces crack generation of the panel. The glass fiber reinforced plastic bar is a new material technology instead of the steel bar, and can be complementary with the steel bar.
The new material of the glass fiber reinforced plastic is adopted for construction, so that labor can be effectively saved, and a large amount of time is saved for subsequent construction.
Drawings
FIG. 1 is a schematic view of a large panel.
Fig. 2 is a cross-sectional view of fig. 1.
FIG. 3 is a plan view of the fiberglass tendon of the face and bottom layers.
The specific embodiment is as follows:
the ideas of applying the glass fiber reinforced plastic materials to the hydropower field are put forward by various parties involved in the construction of the Wenden pumped storage power station. In consideration of the performance index of the material, the stress characteristics of the structure, the influence on the later maintenance and the like, under the condition that the technical support data is relatively complete, the construction application of replacing the reinforcing steel bars with the glass fiber reinforced plastic bars is developed for improving the cracking resistance of the panel concrete. The glass fiber reinforced plastic has lighter weight, convenient and efficient construction, lower investment cost than the steel bars, and increases the cracking resistance of the concrete.
The dam panel adopts glass fiber reinforcement to replace the construction method of reinforcing steel bars, the glass fiber reinforcement is horizontally transported by a truck crane to a temporary storage yard of dam roof reinforcement for stacking, a winch is used for traction of a reinforcing steel bar trolley to a binding position, a reinforcing steel bar 1 is erected on the slope and is perpendicular to the slope, the reinforcing steel bar 1 forms a network consisting of longitudinal and transverse lines with the same spacing on the slope, the reinforcing steel bar 1 is positioned at four corners of a grid of 2 x 2m, the reinforcing steel bar 1 penetrates through solid slope mortar to enter cushion materials for 40cm, an upper layer phi 22mm reinforcing steel bar 3 and a lower layer phi 22mm reinforcing steel bar 2 are welded on the reinforcing steel bar 1, the reinforcing steel bar 2 are positioned in the transverse direction of the slope, the outer leakage part of the reinforcing steel bar 1 is flush with the surface of the reinforcing steel bar 3 of the upper layer 1 st horizontal sample frame, the 1 st and the reinforcing steel bar 2 glass fiber reinforcements 4 and 5 are bound, the 1 st and 2 bottom layer glass fiber reinforcements 4 and 5 are respectively positioned in the longitudinal direction and the transverse direction of the slope, firstly binding a1 st bottom layer glass fiber reinforced bar 4, connecting the 1 st bottom layer glass fiber reinforced bar 4 with a2 nd horizontal sample frame reinforced bar 2 through binding wires, after the 1 st bottom layer glass fiber reinforced bar 4 is bound, connecting a longitudinal 1 st bottom layer glass fiber reinforced bar 4 with a transverse 2 nd bottom layer glass fiber reinforced bar 5 through binding wires, binding the intersection position of the 1 st bottom layer glass fiber reinforced bar 4 and the 2 nd bottom layer glass fiber reinforced bar 5 by binding wires, binding intersection points of two rows of 1 st bottom layer glass fiber reinforced bars and 2 nd bottom layer glass fiber reinforced bars close to the periphery of a network, binding intersection points of the 1 st bottom layer glass fiber reinforced bars and 2 nd bottom layer glass fiber reinforced bars at the rest of the network according to 50 percent of intersection points, after the 1 st bottom layer glass fiber reinforced bar 4 and 2 nd bottom layer glass fiber reinforced bar 5 are bound, constructing 1 st surface layer glass fiber reinforced bars 6 and 7, arranging the 1 st surface layer glass fiber reinforced bars 6 and 2 surface layer 7 transversely and longitudinally respectively, the 2 nd surface layer glass fiber reinforced bar 7 is bound and connected with the upper layer 1 st horizontal sample frame reinforced bar 3, the longitudinal 2 nd surface layer glass fiber reinforced bar 7 is bound and connected with the 1 st surface layer glass fiber reinforced bar 6 by the transverse 1 st surface layer glass fiber reinforced bar 6 after being installed.
The 1 st and 2 nd bottom layer glass fiber ribs 4 and 5 and the 1 st and 2 nd surface layer glass fiber ribs 6 and 7 are formed by overlapping a plurality of glass fibers, the overlapping length of two adjacent glass fibers is not less than 40 cm, and the binding wire adopts No. 12 iron wires.
And the slope surface inserted steel bar 1 is welded and connected with the steel bars of the 1 st horizontal sample frame and the 2 nd horizontal sample frame after finishing.
The glass fiber manufacturing lengths are different, so that the 1 st and 2 nd bottom layer glass fiber ribs 4 and 5 and the 1 st and 2 nd surface layer glass fiber ribs 6 and 7 are not bound and connected on the same section.
The construction method for the dam panel by adopting glass fiber reinforced plastic to replace steel bars comprises the following steps:
⑴ Glass fiber reinforcement manufacturing and transporting
The surface of the fiber rib should be clean, the surface stain should be cleaned before use, and if the surface of the material is polluted by certain substances or reagents, the fiber rib can be wiped by a solvent. The glass fiber ribs are made of brittle materials, and throwing and collision are avoided during loading, unloading and transportation; and the transverse stay bars are adopted for loading, hanging and transporting, so that the material is prevented from being bent and broken due to overweight. All the glass fiber reinforcements need to be numbered, 18T crane is used for transporting the glass fiber reinforcements to a temporary storage yard of dam crest reinforcements horizontally for stacking, 25T crane is used for placing the processed and formed fiber reinforcements on a slope reinforcement trolley according to the number, 5T winch is used for towing the reinforcement trolley, 1T fiber reinforcements are transported to a mounting working surface each time, and the fiber reinforcements are manually mounted on site,
⑵ Laying slope surface inserted steel bar
The total station is adopted for measuring and lofting, grid lines are piled and arranged, phi 25mm screw steel is adopted for inserting steel bars, the interval distance is 2 multiplied by 2m, the steel bars are manually driven into cushion materials by using hammers for 40cm, personnel use a crawling ladder to go up and down, and binding safety ropes are adopted, the outer leakage part of the inserted steel bars is flush with the surface of the steel bars of the upper horizontal sample frame, the design positions of the 1 st sample frame steel bars 2 and the 2 nd sample frame steel bars 3 are marked on the inserted steel bars through measurement,
⑶ Sample rack steel bar installation
Immediately installing sample frame steel bars after finishing the slope steel bar inserting layout, wherein the sample frame steel bars are phi 22mm round steel, an upper layer and a lower layer are arranged together, the 1 st sample frame steel bar and the 2 nd sample frame steel bar are horizontally arranged, the distance is 2.0m, the 1 st sample frame steel bar and the 2 nd sample frame steel bar are 2, 3 rd sample frame steel bars are manually welded at the marked positions of the inserted steel bars 1 by using electric welding machines, the external leakage parts of the inserted steel bars are flush with the surface of the steel bar of the upper layer horizontal sample frame,
⑷ The 1 st and 2nd bottom fiberglass tendons 4 and 5 are installed
After the construction of the sample frame rib is finished, the bottom fiber rib is installed, the 1 st bottom layer glass fiber rib 4 is firstly bound, the 1 st bottom layer glass fiber rib 4 is bound and connected with the 2 nd horizontal sample frame rib 2 by using a 12# iron wire, the connection position meets the requirement of a design drawing, the 2 nd bottom layer glass fiber rib 5 is bound after the 1 st bottom layer glass fiber rib 4 is bound, the 1 st bottom layer glass fiber rib 4 and the 2 nd bottom layer glass fiber rib 5 are bound by using a 12# iron wire, the intersection points close to the peripheral two rows of the 1 st bottom layer glass fiber rib 4 and the 2 nd bottom layer glass fiber rib 5 are bound by points, the intersection points of the rest 1 st bottom layer glass fiber rib 4 and the 2 nd bottom layer glass fiber rib 5 are bound according to 50 percent of intersection points,
⑸ Binding surface layer glass fiber ribs
After the 1 st and 2 nd bottom glass fiber ribs 4 and 5 are bound, the 1 st and 2 nd surface layer fiber ribs 6 and 7 are constructed, the longitudinal 2 nd surface layer fiber rib 7 is bound and connected with the upper layer 2 nd horizontal sample frame steel bar 3, the upper part of the 2 nd surface layer fiber rib 7 is bound by the transverse 1 st surface layer fiber rib 6 after being installed, the 1 st and 2 nd surface layer fiber ribs are bound by binding wires, the above fiber ribs are all in lap joint, the lap joint length is not less than 40 cm, and the binding wires are made of No. 12 iron wires.
Claims (5)
1. The construction method of the dam panel by adopting glass fiber reinforcement to replace the reinforcement is characterized in that the glass fiber reinforcement is horizontally transported to a temporary storage yard of the dam roof by using a truck crane to stack, a reinforcement trolley is pulled by a winch to transport to a binding position, a reinforcement inserting (1) vertical to the slope is erected on the slope, the reinforcement inserting forms a network with the same pitch of longitudinal and transverse lines on the slope, the reinforcement inserting is positioned at four corners of a grid of 2 x 2m, the reinforcement inserting penetrates through solid slope mortar to enter cushion materials by 35 cm to 45cm, an upper layer of 1 st horizontal sample frame reinforcement (3) and a lower layer of 2 nd horizontal sample frame reinforcement (2) are welded on the reinforcement inserting, the 1 st horizontal sample frame reinforcement and the 2 nd horizontal sample frame reinforcement are positioned in the transverse direction of the slope, the outer leakage part of the reinforcement inserting is flush with the surface of the reinforcement of the upper layer of the 1 st horizontal sample frame reinforcement, the 1 st bottom glass fiber reinforcement (4) is positioned in the longitudinal direction of the slope, the 2 nd bottom layer glass fiber rib (5) is positioned on the slope surface transversely, the 2 nd bottom layer glass fiber rib (5) is firstly bound, the 1 st bottom layer glass fiber rib (4) is connected with the 2 nd horizontal sample frame steel bar (2) through binding wires, after the 1 st bottom layer glass fiber rib (4) is bound, the longitudinal 1 st bottom layer glass fiber rib (4) is connected with the transverse 2 nd bottom layer glass fiber rib (5) through binding wires, the crossing position of the 1 st bottom layer glass fiber rib and the 2 nd bottom layer glass fiber rib adopts binding wires to bind, the crossing points of the 1 st bottom layer glass fiber rib and the 2 nd bottom layer glass fiber rib close to the periphery of the network are bound one by one, the crossing points of the 1 st bottom layer glass fiber rib and the 2 nd bottom layer glass fiber rib at the rest of the network are bound according to 50 percent of crossing points, after the 1 st bottom layer glass fiber rib binding is completed, construction of a1 st surface layer glass fiber reinforcement (6) and a2 nd surface layer glass fiber reinforcement (7) is carried out, the 1 st surface layer glass fiber reinforcement and the 2 nd surface layer glass fiber reinforcement are respectively transversely and longitudinally arranged, the 2 nd surface layer glass fiber reinforcement (7) is bound and connected with an upper layer 1 st horizontal sample frame reinforcing steel bar (3), the upper portion of the longitudinal 2 nd surface layer glass fiber reinforcement (7) is bound and connected with the 1 st surface layer glass fiber reinforcement through a transverse 1 st surface layer glass fiber reinforcement (6) after installation is completed, and the 2 nd surface layer glass fiber reinforcement is bound and connected with the 1 st surface layer glass fiber reinforcement.
2. The dam panel according to claim 1, wherein the construction method adopts glass fiber ribs to replace reinforcing steel bars, the 1 st and 2 nd bottom glass fiber ribs and the 1 st and 2 nd surface glass fiber ribs are formed by overlapping a plurality of glass fibers, the overlapping length of two adjacent glass fibers is not less than 40 cm, and the binding wire is a No. 12 iron wire.
3. The dam panel according to claim 1, wherein the glass fiber reinforcement is used for replacing the reinforcement bar, and the slope surface is welded with the 1 st and 2 nd horizontal sample frames after the reinforcement bar 1 is inserted.
4. The dam panel according to claim 2, wherein the construction method of replacing reinforcing steel bars with glass fiber ribs is characterized in that glass fibers are made in different lengths, so that the 1 st and 2 nd bottom glass fiber ribs and the 1 st and 2 nd surface glass fiber rib binding joints are not on the same section.
5. The construction method for the dam panel by adopting glass fiber reinforced plastic to replace steel bars comprises the following steps:
⑴ Glass fiber reinforcement manufacturing and transporting
The surface of the fiber rib is clean, surface stains are cleaned before use, if the surface of the material is polluted by certain substances or reagents, the fiber rib can be wiped off by a solvent, and the glass fiber rib is a brittle material and needs to be prevented from being thrown and collided during loading, unloading and transportation; the transverse brace rod is adopted for loading, hanging and transporting, so that the bending and breakage caused by overweight materials are avoided, all glass fiber reinforcements are required to be numbered, the glass fiber reinforcements are transported horizontally to a temporary storage yard of the dam crest steel reinforcements by a truck crane for stacking, the processed and molded fiber reinforcements are placed on a slope steel reinforcement trolley according to the number by a crane, the steel reinforcement trolley is pulled by a winch, the fiber reinforcements are transported to a mounting working surface each time, and the fiber reinforcements are manually mounted on site,
⑵ Laying slope surface inserted steel bar
The total station is adopted for measuring and lofting, grid lines are piled and arranged, phi 25mm screw steel is adopted for inserting the steel bars, the interval distance is 2 multiplied by 2m, the steel bars are manually driven into cushion materials by using hammers, personnel use a ladder to climb and descend, and tie safety ropes are bound, the outer leakage part of the inserted steel bars is flush with the surface of the steel bars of the upper horizontal sample frame, the design positions of the 1 st sample frame and the 2 nd sample frame steel bars are marked on the inserted steel bars through measurement,
⑶ Sample rack steel bar installation
Immediately installing sample frame steel bars after finishing the slope steel bar inserting layout, wherein the sample frame steel bars are phi 22mm round steel, an upper layer and a lower layer are arranged together, the 1 st sample frame steel bar and the 2 nd sample frame steel bar are horizontally arranged, the distance is 2.0m, the 1 st sample frame steel bar (2) and the 2 nd sample frame steel bar (3) are manually welded at the marked positions of the inserted steel bars 1 by using an electric welding machine, the outer leakage parts of the inserted steel bars are flush with the surfaces of the steel bars of the upper layer horizontal sample frame,
⑷ The 1 st bottom layer glass fiber reinforced bar (4) and the 2 nd bottom layer glass fiber reinforced bar (5) are arranged
After the construction of the sample frame rib is finished, the bottom fiber rib is installed, the 1 st bottom layer glass fiber rib (4) is firstly bound, the 1 st bottom layer glass fiber rib is bound and connected with the 2 nd horizontal sample frame rib (2) by using a 12# iron wire, the connection position meets the requirement of a design drawing, the 2 nd bottom layer glass fiber rib (5) is bound after the 1 st bottom layer glass fiber rib is bound, the 1 st bottom layer glass fiber is bound by using a 12# iron wire, the intersection points of the 1 st bottom layer glass fiber rib and the 2 nd bottom layer glass fiber rib close to the periphery are bound point by point, the intersection points of the other 1 st bottom layer glass fiber rib and the other 2 nd bottom layer glass fiber rib are bound according to 50 percent of intersection points,
⑸ Binding surface layer glass fiber ribs
After the 1 st, 2 bottom glass fiber rib ligature is accomplished, carry out 1 st surface course fiber rib (6), construction of 2 nd surface course fiber rib (7), vertical 2 nd surface course fiber rib (7) carries out the ligature with upper strata 1 st horizontal appearance frame reinforcing bar (3) and is connected, carry out horizontal 1 st surface course fiber rib (6) ligature again after 2 nd surface course fiber rib (7) are installed and accomplish, 1 st, 2 surface course fiber rib adopts the ligature, above fiber rib all adopts the overlap joint, overlap joint length is no less than 40 centimetres, the ligature adopts No. 12 iron wires.
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| CN202210407590.4A CN114753315B (en) | 2022-04-19 | 2022-04-19 | Construction method for replacing reinforcing steel bars with glass fiber reinforced plastic bars for dam panels |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210407590.4A CN114753315B (en) | 2022-04-19 | 2022-04-19 | Construction method for replacing reinforcing steel bars with glass fiber reinforced plastic bars for dam panels |
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| CN114753315B true CN114753315B (en) | 2024-04-26 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351253Y (en) * | 2009-01-09 | 2009-11-25 | 长沙理工大学 | Continuous reinforced concrete pavement |
| JP2011179310A (en) * | 2010-02-03 | 2011-09-15 | Taiyo Kogyo Corp | Overtopping preventive apparatus |
| CN203583432U (en) * | 2013-11-11 | 2014-05-07 | 中国建筑第八工程局有限公司 | FRP (Fiber Reinforced Polymer) bar reinforced concrete parapet structure and formwork structure thereof |
| CN204373989U (en) * | 2015-02-04 | 2015-06-03 | 中国葛洲坝集团第六工程有限公司 | A kind of glass fiber bend bar test unit |
| CN105603846A (en) * | 2016-03-10 | 2016-05-25 | 长沙理工大学 | Dual-layer glass fiber concrete pavement structure applicable to city roads |
| CN105625298A (en) * | 2016-03-16 | 2016-06-01 | 中冶集团武汉勘察研究院有限公司 | Underground continuous wall structure adopting glass fiber bar lapping and milling and construction method for underground continuous wall structure |
| CN205605222U (en) * | 2015-12-17 | 2016-09-28 | 北京建筑大学 | Netting structure among net shotcrete |
| CN107435318A (en) * | 2017-09-14 | 2017-12-05 | 国家电网公司 | A kind of insulation anchor structure and construction method suitable for water resources dam polyureas barrier coat |
| CN108221876A (en) * | 2018-02-08 | 2018-06-29 | 吕桂兰 | A kind of hydraulic engineering flood discharge antiseepage dam |
| CN109235374A (en) * | 2018-12-03 | 2019-01-18 | 唐山工业职业技术学院 | A kind of constructing device and construction method for assisting high steep reinforced earth dam to fill |
| CN111779194A (en) * | 2020-07-21 | 2020-10-16 | 湖北三江航天建筑工程有限公司 | Method for installing glass fiber reinforcement in constructional engineering |
| CN212358199U (en) * | 2020-03-26 | 2021-01-15 | 广东水利水电第三工程局有限公司 | Reverse filtering layer structure of dam heel at downstream of earth dam |
| US11053675B1 (en) * | 2018-11-17 | 2021-07-06 | Juan Jose Santandreu | Construction panel and construction panel assembly with improved structural integrity |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006318823B2 (en) * | 2005-11-24 | 2011-11-17 | Hesco Bastion Limited | Gabions |
| CA2867964C (en) * | 2014-10-16 | 2016-04-12 | Emin Buzimkic | Prefabricated modular rebar modules and methods of using the same |
-
2022
- 2022-04-19 CN CN202210407590.4A patent/CN114753315B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351253Y (en) * | 2009-01-09 | 2009-11-25 | 长沙理工大学 | Continuous reinforced concrete pavement |
| JP2011179310A (en) * | 2010-02-03 | 2011-09-15 | Taiyo Kogyo Corp | Overtopping preventive apparatus |
| CN203583432U (en) * | 2013-11-11 | 2014-05-07 | 中国建筑第八工程局有限公司 | FRP (Fiber Reinforced Polymer) bar reinforced concrete parapet structure and formwork structure thereof |
| CN204373989U (en) * | 2015-02-04 | 2015-06-03 | 中国葛洲坝集团第六工程有限公司 | A kind of glass fiber bend bar test unit |
| CN205605222U (en) * | 2015-12-17 | 2016-09-28 | 北京建筑大学 | Netting structure among net shotcrete |
| CN105603846A (en) * | 2016-03-10 | 2016-05-25 | 长沙理工大学 | Dual-layer glass fiber concrete pavement structure applicable to city roads |
| CN105625298A (en) * | 2016-03-16 | 2016-06-01 | 中冶集团武汉勘察研究院有限公司 | Underground continuous wall structure adopting glass fiber bar lapping and milling and construction method for underground continuous wall structure |
| CN107435318A (en) * | 2017-09-14 | 2017-12-05 | 国家电网公司 | A kind of insulation anchor structure and construction method suitable for water resources dam polyureas barrier coat |
| CN108221876A (en) * | 2018-02-08 | 2018-06-29 | 吕桂兰 | A kind of hydraulic engineering flood discharge antiseepage dam |
| US11053675B1 (en) * | 2018-11-17 | 2021-07-06 | Juan Jose Santandreu | Construction panel and construction panel assembly with improved structural integrity |
| CN109235374A (en) * | 2018-12-03 | 2019-01-18 | 唐山工业职业技术学院 | A kind of constructing device and construction method for assisting high steep reinforced earth dam to fill |
| CN212358199U (en) * | 2020-03-26 | 2021-01-15 | 广东水利水电第三工程局有限公司 | Reverse filtering layer structure of dam heel at downstream of earth dam |
| CN111779194A (en) * | 2020-07-21 | 2020-10-16 | 湖北三江航天建筑工程有限公司 | Method for installing glass fiber reinforcement in constructional engineering |
Non-Patent Citations (3)
| Title |
|---|
| 李殿平.《混凝土结构加固设计与施工》.天津：天津大学出版社,2012,22. * |
| 玻璃纤维筋在即有库区取水口预留岩坎中的应用;周国凯;《中国水运》;20210616;第21卷(第6期);120-121 * |
| 玻璃纤维筋在抽水蓄能电站 大坝面板中的应用;余万龙;《电力勘测设计》;20230331;88-92 * |
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