CN210049372U - Novel prefabricated superposed beam-slab system - Google Patents
Novel prefabricated superposed beam-slab system Download PDFInfo
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- CN210049372U CN210049372U CN201920383483.6U CN201920383483U CN210049372U CN 210049372 U CN210049372 U CN 210049372U CN 201920383483 U CN201920383483 U CN 201920383483U CN 210049372 U CN210049372 U CN 210049372U
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Abstract
The utility model discloses a novel prefabricated superposed beam slab system, which comprises a common concrete cast-in-situ layer, a fly ash base polymer superposed slab prefabricated layer and a left and right fly ash base polymer superposed beam prefabricated layer which are respectively poured by fly ash base polymers, a fly ash base polymer superposed slab prefabricated layer pre-embedded plate web truss reinforcing steel bar and a slab bottom distribution plate reinforcing bar; the bottom of the prefabricated layer of the left and right fly ash based geopolymer composite beams is respectively embedded with a beam bottom longitudinal stress reinforcing steel bar and a beam stirrup, and the upper end sides of the prefabricated layer of the left and right fly ash based geopolymer composite beams are respectively provided with a beam top longitudinal stress reinforcing steel bar; the novel prefabricated superposed beam-slab system has the advantages of good corrosion resistance, good durability and good environmental protection effect.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a new-type prefabricated coincide beam slab system.
Background
The assembly type building and the building material with environmental protection, low consumption and high performance are one of two important trends of the current building industry development in China; the laminated beams and the laminated slabs are common prefabricated components in the fabricated building. For the composite beam and the composite slab, concrete is generally poured and tamped twice, the first time is when the precast beam and the precast slab are manufactured in a precast member factory, the second time is carried out on a construction site, and after the precast beam and the precast slab are lifted and placed, the concrete on the upper part is poured and tamped to connect the precast beam and the precast slab into a whole.
At present, the prefabricated layers of the conventional prefabricated composite beams and composite slab systems are mostly common concrete, the consumption of cement is large, and the environmental pollution is serious; in addition, when ordinary concrete works under the condition of micro cracks, adverse factors such as chloride ions are easy to permeate to cause corrosion and cracking of the steel bars at the bottom of the concrete beam and the plate, and the durability and safety of the member and the whole structure are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough and provide a new-type prefabricated coincide beam slab system, this new-type prefabricated coincide beam slab system corrosion resistance is good, the durability is good and environmental protection is effectual.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A novel prefabricated composite beam-slab system comprises a fly ash-based geopolymer composite prefabricated layer, a left fly ash-based geopolymer composite prefabricated layer and a right fly ash-based geopolymer composite prefabricated layer, wherein the fly ash-based geopolymer composite prefabricated layer, the left fly ash-based geopolymer composite prefabricated layer and the right fly ash-based geopolymer composite prefabricated layer are respectively poured by fly ash-based geopolymers;
plate web truss reinforcing steel bars which are sequentially arranged from front to back at intervals and extend along the left and right directions are embedded in the coal ash based geopolymer composite prefabricated layer, and the upper end parts of the plate web truss reinforcing steel bars respectively protrude out of the upper surface of the coal ash based geopolymer composite prefabricated layer; the bottom of the coal ash-based geopolymer composite prefabricated layer is pre-embedded with a slab bottom distribution slab rib which is horizontally and transversely arranged and is positioned on the lower end side of a slab web truss reinforcing steel bar, the left end part of the slab bottom distribution slab rib protrudes out of the left end surface of the coal ash-based geopolymer composite prefabricated layer, the right end part of the slab bottom distribution slab rib protrudes out of the right end surface of the coal ash-based geopolymer composite prefabricated layer, the left end part of the slab bottom distribution slab rib horizontally extends towards the left side to the left end side of the right end surface of the left coal ash-based geopolymer composite prefabricated layer and is positioned above the upper surface of the left coal ash-based geopolymer composite prefabricated layer, and the right end part of the slab bottom distribution slab rib horizontally extends towards the right side to the right end side of the left end surface of the right coal ash-based geopolymer composite prefabricated layer and is positioned above the;
the beam hoops which are sequentially arranged from front to back and are vertically arranged are respectively embedded in the left fly ash based polymer superposed beam prefabricated layer and the right fly ash based polymer superposed beam prefabricated layer, the beam top longitudinal stressed steel bars which extend longitudinally and longitudinally are respectively arranged on the upper end sides of the left fly ash based polymer superposed beam prefabricated layer and the right fly ash based polymer superposed beam prefabricated layer, the upper end parts and the lower end parts of the beam hoops of the left fly ash based polymer superposed beam prefabricated layer are respectively bound and connected with the beam top longitudinal stressed steel bars and the beam bottom longitudinal stressed steel bars on the corresponding sides, and the upper end parts and the lower end parts of the beam hoops of the right fly ash based polymer superposed beam prefabricated layer are respectively bound and connected with the beam top longitudinal stressed steel bars and the beam bottom longitudinal stressed steel bars on the corresponding sides, The lower end parts of the beam top longitudinal stress reinforcing steel bars and the beam bottom longitudinal stress reinforcing steel bars are respectively bound and connected with the beam top longitudinal stress reinforcing steel bars and the beam bottom longitudinal stress reinforcing steel bars on the corresponding sides;
the novel prefabricated composite beam slab system also comprises a common concrete cast-in-place layer which is poured on the upper surface of the coal ash based polymer composite slab prefabricated layer, the upper surface of the left coal ash based polymer composite slab prefabricated layer and the upper surface of the right coal ash based polymer composite slab prefabricated layer, wherein the common concrete cast-in-place layer respectively covers the upper end part of the plate web truss steel bar, the left end part of the plate bottom distribution plate bar, the right end part of the plate bottom distribution plate bar, the upper end part of the beam stirrup and the beam top longitudinal stress steel bar.
And the upper end part of each plate web truss reinforcing steel bar is respectively bound with a plate top transverse reinforcing steel bar horizontally extending along the left-right direction, each plate top transverse reinforcing steel bar is respectively positioned at the upper end side of the coal ash based geopolymer laminated slab prefabricated layer, and each plate top transverse reinforcing steel bar is respectively covered by the common concrete cast-in-place layer.
Wherein, the beam stirrup is a double-limb hoop.
Wherein, the web truss steel bar is wave-shaped.
The utility model has the advantages that: a new-type prefabricated coincide beam slab system, it is including the fly ash base polymer superimposed sheet prefabricated layer that is poured and is formed by fly ash base polymer respectively, left side fly ash base polymer superimposed sheet prefabricated layer, right side fly ash base polymer superimposed sheet prefabricated layer, left side fly ash base polymer superimposed sheet prefabricated layer is located the left end side of fly ash base polymer superimposed sheet prefabricated layer, right side fly ash base polymer superimposed sheet prefabricated layer is located the right side of fly ash base polymer superimposed sheet prefabricated layer, left side fly ash base polymer superimposed sheet prefabricated layer, right side fly ash base polymer superimposed sheet prefabricated layer is just right to arranging about; plate web truss reinforcing steel bars which are sequentially arranged from front to back at intervals and extend along the left and right directions are embedded in the coal ash based geopolymer composite prefabricated layer, and the upper end parts of the plate web truss reinforcing steel bars respectively protrude out of the upper surface of the coal ash based geopolymer composite prefabricated layer; the bottom of the coal ash-based geopolymer composite prefabricated layer is pre-embedded with a slab bottom distribution slab rib which is horizontally and transversely arranged and is positioned on the lower end side of a slab web truss reinforcing steel bar, the left end part of the slab bottom distribution slab rib protrudes out of the left end surface of the coal ash-based geopolymer composite prefabricated layer, the right end part of the slab bottom distribution slab rib protrudes out of the right end surface of the coal ash-based geopolymer composite prefabricated layer, the left end part of the slab bottom distribution slab rib horizontally extends towards the left side to the left end side of the right end surface of the left coal ash-based geopolymer composite prefabricated layer and is positioned above the upper surface of the left coal ash-based geopolymer composite prefabricated layer, and the right end part of the slab bottom distribution slab rib horizontally extends towards the right side to the right end side of the left end surface of the right coal ash-based geopolymer composite prefabricated layer and is positioned above the; the beam hoops which are sequentially arranged from front to back and are vertically arranged are respectively embedded in the left fly ash based polymer superposed beam prefabricated layer and the right fly ash based polymer superposed beam prefabricated layer, the beam top longitudinal stressed steel bars which extend longitudinally and longitudinally are respectively arranged on the upper end sides of the left fly ash based polymer superposed beam prefabricated layer and the right fly ash based polymer superposed beam prefabricated layer, the upper end parts and the lower end parts of the beam hoops of the left fly ash based polymer superposed beam prefabricated layer are respectively bound and connected with the beam top longitudinal stressed steel bars and the beam bottom longitudinal stressed steel bars on the corresponding sides, and the upper end parts and the lower end parts of the beam hoops of the right fly ash based polymer superposed beam prefabricated layer are respectively bound and connected with the beam top longitudinal stressed steel bars and the beam bottom longitudinal stressed steel bars on the corresponding sides, The lower end parts of the beam top longitudinal stress reinforcing steel bars and the beam bottom longitudinal stress reinforcing steel bars are respectively bound and connected with the beam top longitudinal stress reinforcing steel bars and the beam bottom longitudinal stress reinforcing steel bars on the corresponding sides; the novel prefabricated composite beam slab system also comprises a common concrete cast-in-place layer which is poured on the upper surface of the coal ash based polymer composite slab prefabricated layer, the upper surface of the left coal ash based polymer composite slab prefabricated layer and the upper surface of the right coal ash based polymer composite slab prefabricated layer, wherein the common concrete cast-in-place layer respectively covers the upper end part of the plate web truss steel bar, the left end part of the plate bottom distribution plate bar, the right end part of the plate bottom distribution plate bar, the upper end part of the beam stirrup and the beam top longitudinal stress steel bar. The novel prefabricated superposed beam-slab system has the advantages of good corrosion resistance, good durability and good environmental protection effect.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram before a common concrete cast-in-place layer is poured.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a partially enlarged schematic view of fig. 2.
Fig. 1 to 3 include:
1-flyash-base polymer laminated slab prefabricated layer
11-web truss steel bar 12-bottom distribution plate bar
13-plate top transverse reinforcement
21-left side fly ash based geopolymer superposed beam prefabricated layer
22-prefabricated layer of right-side fly ash-based geopolymer composite beam
23-longitudinal stress steel bar at beam bottom 24-beam stirrup
25-longitudinal stress steel bar of beam top
3-common concrete cast-in-place layer.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1 to 3, a novel prefabricated composite beam slab system includes a coal ash based polymer composite prefabricated slab layer 1, a left coal ash based polymer composite beam prefabricated slab layer 21, and a right coal ash based polymer composite beam prefabricated slab layer 22, which are respectively formed by casting coal ash based polymers, wherein the left coal ash based polymer composite beam prefabricated slab layer 21 is located on the left end side of the coal ash based polymer composite slab prefabricated slab layer 1, the right coal ash based polymer composite beam prefabricated slab layer 22 is located on the right end side of the coal ash based polymer composite slab prefabricated slab layer 1, and the left coal ash based polymer composite beam prefabricated slab layer 21 and the right coal ash based polymer composite beam prefabricated slab layer 22 are arranged right and left.
The fly ash-based geopolymer composite prefabricated layer 1 is internally embedded with web truss reinforcing steel bars 11 which are sequentially arranged from front to back at intervals and respectively extend along the left and right directions, and the upper end parts of the web truss reinforcing steel bars 11 respectively protrude out of the upper surface of the fly ash-based geopolymer composite prefabricated layer 1; the bottom of the fly ash-based geopolymer composite prefabricated layer 1 is pre-embedded with a slab bottom distribution slab rib 12 which is horizontally and transversely arranged and is positioned on the lower end side of a slab web truss reinforcing steel bar 11, the left end part of the slab bottom distribution slab rib 12 protrudes out of the left end surface of the fly ash-based geopolymer composite prefabricated layer 1, the right end part of the slab bottom distribution slab rib 12 protrudes out of the right end surface of the fly ash-based geopolymer composite prefabricated layer 1, the left end part of the slab bottom distribution slab rib 12 horizontally extends towards the left side to the left end side of the right end surface of the left fly ash-based geopolymer composite prefabricated layer 21 and is positioned above the upper surface of the left fly ash-based geopolymer composite prefabricated layer 21, and the right end part of the slab bottom distribution slab rib 12 horizontally extends towards the right side to the right end side of the left end surface of the right fly ash-based geopolymer composite prefabricated layer 22 and is positioned above the upper.
Further, beam bottom longitudinal stress steel bars 23 extending longitudinally and longitudinally are embedded in the bottoms of the left fly ash based polymer superposed beam prefabricated layer 21 and the right fly ash based polymer superposed beam prefabricated layer 22 respectively, beam stirrups 24 which are sequentially arranged from front to back at intervals and are vertically arranged are embedded in the interiors of the left fly ash based polymer superposed beam prefabricated layer 21 and the right fly ash based polymer superposed beam prefabricated layer 22 respectively, beam top longitudinal stress steel bars 25 extending longitudinally and longitudinally are installed on the upper end sides of the left fly ash based polymer superposed beam prefabricated layer 21 and the right fly ash based polymer superposed beam prefabricated layer 22 respectively, the upper end part and the lower end part of the beam stirrups 24 of the left fly ash based polymer superposed beam prefabricated layer 21 are respectively bound and connected with the beam top longitudinal stress steel bars 25 and the beam bottom longitudinal stress steel bars 23 on the corresponding sides, and the upper end part and the lower end part of the beam stirrups 24 of the right fly ash based polymer superposed beam prefabricated layer 22 are respectively, The lower end part is respectively bound and connected with the beam top longitudinal stress reinforcing steel bar 25 and the beam bottom longitudinal stress reinforcing steel bar 23 on the corresponding side.
In addition, the novel prefabricated composite beam-slab system also comprises a common concrete cast-in-place layer 3 which is poured on the upper surfaces of the fly ash based polymer composite prefabricated slab layer 1, the left fly ash based polymer composite prefabricated slab layer 21 and the right fly ash based polymer composite prefabricated slab layer 22, wherein the common concrete cast-in-place layer 3 respectively covers the upper end parts of the plate web truss reinforcing steel bars 11, the left end parts of the plate bottom distribution reinforcing steel bars 12, the right end parts of the plate bottom distribution reinforcing steel bars 12, the upper end parts of the beam stirrups 24 and the beam top longitudinal stress reinforcing steel bars 25. Wherein, for the common cast-in-place concrete layer 3 of the present invention, it is a concrete structure using cement as a cementing material.
It should be explained that, as shown in fig. 1 and fig. 2, the top transverse reinforcement 13 horizontally extending in the left-right direction is tied to the upper end portion of each plate web truss reinforcement 11, each top transverse reinforcement 13 is located at the upper end side of the fly ash based geopolymer composite prefabricated layer 1, and each top transverse reinforcement 13 is covered by the common cast-in-place concrete layer 3.
Preferably, the beam stirrups 24 are double-limb hoops, and the plate web truss reinforcements 11 are wavy.
It should be noted that the utility model discloses a new-type prefabricated coincide beam slab system can adopt following construction method construction production to form, and is specific, a new-type prefabricated coincide beam slab system's construction method, it includes following step:
a. preparing a composite slab prefabricated layer pouring mold and a composite beam prefabricated layer pouring mold;
b. preparing a fly ash-based geopolymer: the fly ash-based geopolymer comprises fly ash, sand, pebbles, sodium silicate and sodium hydroxide mixed alkali liquor and water; in the mixed alkali solution of water glass and sodium hydroxide, the mass ratio of the water glass solution is 63.2 percent, and the mass ratio of the sodium hydroxide is 36.8 percent; in the fly ash-based geopolymer, the mass ratio of fly ash is 14.8%, the mass ratio of sand is 21.2%, the mass ratio of stone is 49.6%, the mass ratio of water glass and sodium hydroxide mixed alkali liquor is 14.1%, and the mass ratio of water is 0.3%;
the fly ash-based geopolymer is prepared by the following steps:
b1, preparing mixed alkali liquor by using water glass and sodium hydroxide, and standing for 24 hours for later use;
b2, accurately weighing the fly ash, the sand and the stones according to the mass ratio of 14.8% to 21.2% to 49.6% to the mass ratio of the fly ash to the stone in the fly ash-based geopolymer, and then putting the fly ash, the sand and the stones into a stirrer to stir and mix for 2 minutes;
b3, accurately weighing the water glass and the sodium hydroxide mixed alkali liquor according to the mass ratio of 14.1% of the water glass to the sodium hydroxide mixed alkali liquor in the fly ash based polymer after the fly ash, the sand and the pebbles are stirred and mixed, and putting the water glass and the sodium hydroxide mixed alkali liquor into a stirrer after weighing to realize stirring and mixing of the fly ash, the sand, the pebbles, the water glass and the sodium hydroxide mixed alkali liquor for 2 minutes;
b4, after stirring and mixing the fly ash, the sand, the pebbles, the water glass and the sodium hydroxide mixed alkali liquor, accurately weighing water according to the mass ratio of 0.3% of water in the fly ash based geopolymer, and putting the weighed water into a stirrer to realize stirring and mixing of the fly ash, the sand, the pebbles, the water glass and the sodium hydroxide mixed alkali liquor and the water, wherein the stirring and mixing time is 1 minute, and the preparation of the fly ash based geopolymer is finished;
c. filling the prepared fly ash-based geopolymer into a pouring mold of the prefabricated layer of the laminated slab to pour and form the prefabricated layer 1 of the fly ash-based geopolymer; the fly ash-based geopolymer composite prefabricated layer 1 is internally embedded with web truss reinforcing steel bars 11 which are sequentially arranged from front to back at intervals and respectively extend along the left and right directions, and the upper end parts of the web truss reinforcing steel bars 11 respectively protrude out of the upper surface of the fly ash-based geopolymer composite prefabricated layer 1; the bottom of the coal ash based geopolymer composite prefabricated layer 1 is pre-embedded with a slab bottom distribution plate rib 12 which is horizontally and transversely arranged and is positioned on the lower end side of a slab web truss reinforcing steel bar 11, the left end part of the slab bottom distribution plate rib 12 protrudes out of the left end surface of the coal ash based geopolymer composite prefabricated layer 1, and the right end part of the slab bottom distribution plate rib 12 protrudes out of the right end surface of the coal ash based geopolymer composite prefabricated layer 1;
d. filling the prepared fly ash-based geopolymer into a casting mold of the prefabricated layer of the superposed beam to cast and form the prefabricated layer of the fly ash-based geopolymer superposed beam; the bottom of the coal ash-based geopolymer superposed beam prefabricated layer is pre-embedded with beam bottom longitudinal stress steel bars 23 extending longitudinally back and forth, beam stirrups 24 which are sequentially arranged from front to back at intervals and are vertically arranged are pre-embedded inside the coal ash-based geopolymer superposed beam prefabricated layer, and the lower end parts of the beam stirrups 24 are respectively bound and connected with the beam bottom longitudinal stress steel bars 23;
e. after the coal ash-based geopolymer composite prefabricated layer 1 and the coal ash-based geopolymer composite beam prefabricated layer are cast and formed, initial setting is carried out, and then the upper surfaces of the initially-set coal ash-based geopolymer composite prefabricated layer 1 and the coal ash-based geopolymer composite beam prefabricated layer form rough joint surfaces respectively in a high-pressure water-scouring mode;
f. respectively carrying out high-temperature steam curing on the coal ash-based geopolymer laminated slab prefabricated layer 1 and the coal ash-based geopolymer laminated beam prefabricated layer subjected to high-pressure water-jet roughening treatment, and then carrying out normal-temperature curing;
g. transporting the coal ash-based geopolymer laminated slab prefabricated layer 1 and the coal ash-based geopolymer superposed beam prefabricated layer after the curing to a construction site, and hoisting and splicing the coal ash-based geopolymer laminated slab prefabricated layer 1 and the coal ash-based geopolymer superposed beam prefabricated layer; the left end side and the right end side of the fly ash-based geopolymer composite prefabricated layer 1 are respectively provided with a fly ash-based geopolymer composite beam prefabricated layer, the fly ash-based geopolymer composite beam prefabricated layer positioned on the left end side of the fly ash-based geopolymer composite prefabricated layer 1 is a left fly ash-based geopolymer composite beam prefabricated layer 21, the fly ash-based geopolymer composite beam prefabricated layer positioned on the right end side of the fly ash-based geopolymer composite prefabricated layer 1 is a right fly ash-based geopolymer composite beam prefabricated layer 22, the left fly ash-based geopolymer composite beam prefabricated layer 21 and the right fly ash-based geopolymer composite beam prefabricated layer 22 are oppositely arranged from left to right, the left end part of the plate bottom distribution plate rib 12 horizontally extends to the left end side of the right end surface of the left fly ash-based geopolymer composite beam prefabricated layer 21 and is positioned above the upper surface of the left fly ash-based geopolymer composite beam prefabricated layer 21, and the right end part of the plate bottom distribution plate rib 12 horizontally extends to the right side The right end side of the left end surface is positioned above the upper surface of the right fly ash based geopolymer superposed beam prefabricated layer 22;
h. beam top longitudinal stress steel bars 25 extending longitudinally back and forth are respectively placed on the upper end sides of the left fly ash based geopolymer superposed beam prefabricated layer 21 and the right fly ash based geopolymer superposed beam prefabricated layer 22, the upper end parts of the beam stirrups 24 of the left fly ash based geopolymer superposed beam prefabricated layer 21 are bound and connected with the corresponding beam top longitudinal stress steel bars 25, and the upper end parts of the beam stirrups 24 of the right fly ash based geopolymer superposed beam prefabricated layer 22 are bound and connected with the corresponding beam top longitudinal stress steel bars 25;
i. plate top transverse steel bars 13 horizontally extending along the left-right direction are respectively bound at the upper ends of all plate web truss steel bars 11 of the coal ash-based geopolymer composite prefabricated layer 1;
j. pouring common concrete on the upper surface of the fly ash based geopolymer composite prefabricated layer 1, the upper surface of the left fly ash based geopolymer composite beam prefabricated layer 21 and the upper surface of the right fly ash based geopolymer composite beam prefabricated layer 22 to form a common concrete cast-in-place layer 3, wherein the common concrete cast-in-place layer 3 respectively covers the upper end part of the plate web truss steel bar 11, the left end part of the plate bottom distribution plate bar 12, the right end part of the plate bottom distribution plate bar 12, the upper end part of the beam stirrup 24, the beam top longitudinal stress steel bar 25 and the plate top transverse steel bar 13; and curing the common concrete cast-in-place layer 3 to obtain the prefabricated composite beam slab system.
It should be emphasized that, in step e, the difference between the roughness of the joint surfaces of the fly ash-based geopolymer composite prefabricated layer 1 and the fly ash-based geopolymer composite beam prefabricated layer after the high-pressure water-jet roughening treatment is greater than 6 mm.
The utility model discloses a fly ash base polymer superimposed sheet prefabricated layer 1, fly ash base polymer superimposed beam prefabricated layer, its fly ash base polymer adopts industry by-product fly ash to replace cement as concrete gelled material, utilize alkaline solution to arouse simultaneously, form the geopolymer concrete material that the rapid hardening is early strong, intensity is high, the durability is good, can provide the parcel environment of basicity for the reinforcing bar, effectively block the reinforcing bar corrosion, improve the holistic corrosion resistance of component, and then improve component and overall structure's durability and security. The utility model discloses a cast-in-place layer 3 of ordinary concrete adopts ordinary concrete, satisfies the requirement that the cast in situ concrete is convenient, quick, stable performance. The utility model discloses a two material coincide beam slab systems is applicable to general industry and civil architecture field.
According to the above circumstances, the utility model discloses a new-type prefabricated coincide beam slab system has that corrosion resisting property is good, the durability is good and the effectual advantage of environmental protection, the utility model discloses a construction method of new-type prefabricated coincide beam slab system can be constructed the above-mentioned new-type prefabricated coincide beam slab system of production effectively, and the new-type prefabricated coincide beam slab system corrosion resisting property of production of being under construction is good, the durability is good and the environmental protection is effectual.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides a new-type prefabricated coincide beam slab system which characterized in that: the composite plate comprises a fly ash-based geopolymer composite prefabricated layer (1) which is respectively poured by fly ash-based geopolymers, a left fly ash-based geopolymer composite beam prefabricated layer (21) and a right fly ash-based geopolymer composite beam prefabricated layer (22), wherein the left fly ash-based geopolymer composite beam prefabricated layer (21) is positioned at the left end side of the fly ash-based geopolymer composite prefabricated layer (1), the right fly ash-based geopolymer composite beam prefabricated layer (22) is positioned at the right end side of the fly ash-based geopolymer composite prefabricated layer (1), and the left fly ash-based geopolymer composite beam prefabricated layer (21) and the right fly ash-based geopolymer composite beam prefabricated layer (22) are oppositely arranged from left to right;
plate web truss reinforcing steel bars (11) which are sequentially arranged from front to back at intervals and respectively extend along the left and right directions are embedded in the coal ash based geopolymer prefabricated layer (1), and the upper end parts of the plate web truss reinforcing steel bars (11) respectively protrude out of the upper surface of the coal ash based geopolymer prefabricated layer (1); the bottom of the coal ash-based geopolymer laminated slab prefabricated layer (1) is embedded with slab bottom distribution plate ribs (12) which are horizontally and transversely arranged and are positioned at the lower end side of the slab web truss reinforcing steel bars (11), the left end part of the plate bottom distribution plate rib (12) protrudes out of the left end surface of the fly ash based geopolymer composite prefabricated layer (1), the right end part of the plate bottom distribution plate rib (12) protrudes out of the right end surface of the fly ash based geopolymer composite prefabricated layer (1), the left end part of the plate bottom distribution plate rib (12) horizontally extends towards the left side to the left side of the right end surface of the fly ash based geopolymer composite beam prefabricated layer (21) at the left side and is positioned above the upper surface of the fly ash based geopolymer composite beam prefabricated layer (21) at the left side, the right end part of the plate bottom distribution plate rib (12) horizontally extends to the right side of the left end surface of the right fly ash based polymer superposed beam prefabricated layer (22) towards the right side and is positioned above the upper surface of the right fly ash based polymer superposed beam prefabricated layer (22);
the beam bottom longitudinal stress steel bars (23) extending longitudinally and forwards are respectively embedded at the bottoms of the left fly ash based polymer superposed beam prefabricated layer (21) and the right fly ash based polymer superposed beam prefabricated layer (22), beam stirrups (24) which are sequentially arranged at intervals from front to back and are respectively vertically arranged are respectively embedded inside the left fly ash based polymer superposed beam prefabricated layer (21) and the right fly ash based polymer superposed beam prefabricated layer (22), the beam top longitudinal stress steel bars (25) extending longitudinally and forwards are respectively arranged at the upper end sides of the left fly ash based polymer superposed beam prefabricated layer (21) and the right fly ash based polymer superposed beam prefabricated layer (22), the upper end part and the lower end part of the beam stirrup (24) of the left fly ash based polymer superposed beam prefabricated layer (21) are respectively bound and connected with the beam top longitudinal stress steel bar (25) and the beam bottom longitudinal stress steel bar (23) at the corresponding sides, the upper end part and the lower end part of a beam stirrup (24) of the right fly ash based geopolymer superposed beam prefabricated layer (22) are respectively bound and connected with a beam top longitudinal stress reinforcing steel bar (25) and a beam bottom longitudinal stress reinforcing steel bar (23) on the corresponding side;
the novel prefabricated composite beam slab system further comprises a common concrete cast-in-place layer (3) poured on the upper surface of the coal ash based geopolymer composite prefabricated slab layer (1) on the left, the upper surface of the coal ash based geopolymer composite prefabricated slab layer (21) on the left and the upper surface of the coal ash based geopolymer composite prefabricated slab layer (22) on the right, wherein the common concrete cast-in-place layer (3) respectively covers the upper end parts of the plate web truss reinforcing steel bars (11), the left end parts of the plate bottom distribution plate reinforcing steel bars (12), the right end parts of the plate bottom distribution plate reinforcing steel bars (12), the upper end parts of the beam stirrups (24) and the beam top longitudinal stress reinforcing steel bars (25).
2. The novel prefabricated composite beam and slab system as claimed in claim 1, wherein: and plate top transverse steel bars (13) horizontally extending along the left-right direction are respectively bound at the upper end parts of the plate web truss steel bars (11), the plate top transverse steel bars (13) are respectively positioned at the upper end sides of the fly ash based geopolymer laminated slab prefabricated layers (1), and the plate top transverse steel bars (13) are respectively covered by the common concrete cast-in-place layer (3).
3. The novel prefabricated composite beam and slab system as claimed in claim 1, wherein: the beam stirrups (24) are double-limb hoops.
4. The novel prefabricated composite beam and slab system as claimed in claim 1, wherein: the plate web truss steel bars (11) are wavy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383483.6U CN210049372U (en) | 2019-03-25 | 2019-03-25 | Novel prefabricated superposed beam-slab system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920383483.6U CN210049372U (en) | 2019-03-25 | 2019-03-25 | Novel prefabricated superposed beam-slab system |
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| CN210049372U true CN210049372U (en) | 2020-02-11 |
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| CN201920383483.6U Expired - Fee Related CN210049372U (en) | 2019-03-25 | 2019-03-25 | Novel prefabricated superposed beam-slab system |
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2019
- 2019-03-25 CN CN201920383483.6U patent/CN210049372U/en not_active Expired - Fee Related
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