CN214301800U

CN214301800U - Side slope assembled frame beam

Info

Publication number: CN214301800U
Application number: CN202120027087.7U
Authority: CN
Inventors: 李晓迪; 王晓文; 李朝阳; 顾涛; 蒋瑜阳
Original assignee: Sichuan Highway Planning Survey and Design Institute Ltd
Current assignee: Sichuan Highway Planning Survey and Design Institute Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-09-28
Anticipated expiration: 2031-01-06

Abstract

The utility model provides a side slope assembly type frame beam, which comprises a plurality of cross beam components, cross beams and longitudinal beams, wherein the cross beam components are cast-in-place structures, and the cross beams and the longitudinal beams are prefabricated structures; two transverse ports of each cross beam component are connected with a cross beam, and two longitudinal ports of each cross beam component are connected with a longitudinal beam; the cross beams and the longitudinal beams are fixedly connected into a whole through cross beam components; and the center of each cross beam component is provided with a through anchoring hole, an anchoring rod is arranged in each anchoring hole, and each anchoring rod comprises a steel bar anchor rod arranged in each anchoring hole, a nut sleeved at the exposed end of the steel bar anchor rod and a steel base plate. This slope assembled frame roof beam for the domatic on-the-spot pouring work of pouring greatly reduces, greatly raises the efficiency, and prefabricated assembled frame roof beam can form standardized product simultaneously, is favorable to improving the engineering quality.

Description

Side slope assembled frame beam

Technical Field

The utility model relates to a slope anchor technical field especially relates to a slope assembled frame roof beam.

Background

With the rapid development of economy in China, various industries are upgrading the industrial structure, and the economic development mode is changed from the traditional extensive type to intensive type so as to follow the sustainable development strategy. The engineering and building industry uses cast-in-place reinforced concrete as a main construction mode at present, the cast-in-place reinforced concrete structure has good overall performance, but has the problems of large field wet operation amount, more building material loss, low resource utilization rate, more building garbage, large field pollution and the like, and does not meet the requirements of the current sustainable development strategy and green development concept.

The conventional cast-in-place frame beam needs to be built firstly, then slope grooving and reinforcing steel bar binding are carried out, finally a formwork is erected and concrete is poured, after the frame beam reaches certain strength, a formwork is dismantled, and the construction efficiency is low and the construction quality is uneven.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a side slope assembled frame roof beam has solved the low and uneven problem of construction quality of the low efficiency of construction of the cast-in-place frame roof beam of conventionality among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the side slope assembly type frame beam comprises a plurality of cross beam members, cross beams, longitudinal beams and anchoring members, wherein the cross beam members are hollow cast-in-place structures, and the cross beams and the longitudinal beams are prefabricated structures; two transverse ports of each cross beam component are connected with a cross beam, and two longitudinal ports of each cross beam component are connected with a longitudinal beam; the cross beams and the longitudinal beams are fixedly connected into a whole through cross beam components;

and the center of each cross beam component is provided with a through anchoring hole, an anchoring rod is arranged in each anchoring hole, and each anchoring rod comprises a steel bar anchor rod arranged in each anchoring hole, a nut sleeved at the exposed end of the steel bar anchor rod and a steel base plate.

The prefabricated frame beam is characterized in that the prefabricated beam and the longitudinal beam are hoisted and installed on a side slope to be protected, the longitudinal steel bars are mutually lapped to form a cross beam structure, the prefabricated beam and the longitudinal beam are temporarily fixed on a side slope plane, the prefabricated frame beam is prevented from sliding, a cross beam structure formwork is cast in situ, and the beam and the longitudinal beam are fixedly connected into a whole through a cross beam component to form the prefabricated assembly type frame beam. The cast-in-place cross beam reserves a steel bar anchor rod hole, the exposed end of the anchor rod is anchored on the side slope assembly type frame beam, and low prestress is applied to the steel bar anchor rod through the nut, so that the anchor rod is stressed actively, the stress condition of the structure can be optimized, the stress state of a slope body is changed, the self-stability capability of the slope body is enhanced, the integral supporting effect of the anchor rod frame beam structure is effectively improved, the pouring work of a slope surface on site is greatly reduced, the efficiency is greatly improved, meanwhile, the prefabricated assembly type frame beam can form a standardized product, and the engineering quality is favorably improved.

Furthermore, the cross beam component is of a hollow cast-in-place structure, and a plurality of longitudinal lap steel bars are arranged on the inner side of the cross beam component. The longitudinal lap-joint reinforcing steel bars can not only strengthen the structural strength of the cross beam member, but also facilitate the fixation of the cross beam, the longitudinal beam and the cross beam member, provide greater structural strength for the concrete in the cast-in-place cross beam member and ensure the structural stability of the cross beam member.

Furthermore, the cross beam and the longitudinal beam both comprise precast concrete, a plurality of longitudinal steel bars and stirrups are fixedly arranged on the inner side of the precast concrete part, the longitudinal steel bars respectively extend out of the two ends of the precast concrete part, the longitudinal steel bars are mutually overlapped to form a hollow cross beam cast-in-place structure, the cross beam cast-in-place structure is fixed through the stirrups, and finally, the cross beam member formwork is erected to pour concrete. Because the crossbeam and longeron are prefabricated component, can form standardized product, guarantee the engineering quality of crossbeam and longeron.

Furthermore, the length of the steel bar anchor rod outside the anchoring hole is 3 cm-5 cm, so that the later-stage anchoring of the cross beam member is convenient to pour.

Furthermore, the center distance between two adjacent cross beams is 300cm or 400cm, and the center distance between two adjacent longitudinal beams is 300cm or 400 cm; the grid of the prefabricated frame beam is square or rectangular.

The utility model has the advantages that: the slope assembled frame beam greatly reduces the field pouring work of the slope, greatly improves the efficiency, and simultaneously, the prefabricated beam and the prefabricated longitudinal beam can form a standardized product, thereby being beneficial to improving the engineering quality; lap-jointed steel bars are reserved at two ends of the cross beam and the longitudinal beam, so that a cast-in-place cross beam component is conveniently formed during assembly; the setting of anchor rod, the exposure anchor is on side slope assembled frame roof beam, and applys low prestressing force to the reinforcing bar stock through the nut, makes the stock initiative atress, effectively improves the whole effect of strutting of stock frame beam structure.

Drawings

Fig. 1 is a schematic elevation view of a side slope fabricated frame beam.

Fig. 2 is a schematic cross-sectional view of a side-slope fabricated frame beam.

Fig. 3 is a schematic structural view of a cross beam and a longitudinal beam.

Fig. 4 is a schematic structural view of a cross beam member.

Fig. 5 is a structural schematic diagram of a cross section of a cross beam and a longitudinal beam.

Fig. 6 is a schematic view of the installation structure of the anchoring rod.

Wherein, 1, a cross beam component; 2. a cross beam; 3. a stringer; 4. an anchoring hole; 5. an anchoring rod; 501. a steel bar anchor rod; 502. a nut; 503. a steel backing plate; 6. longitudinal reinforcing steel bars; 7. prefabricating a concrete part; 8. and (5) hooping.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

As shown in fig. 1 ~ 6, the utility model provides a side slope assembled frame roof beam installs prefabricated

crossbeam

2 and 3 handling of longeron on the side slope that needs the protection, and the mutual overlap joint of longitudinal reinforcement forms the cross beam structure, is fixed in the side slope plane with prefabricated crossbeam 2 and longeron 3 temporarily, avoids the prefabricated frame roof beam to slide, and it is cast-in-place to 1 structure formwork of cross beam, forms integrative through 1 fixed connection of cross beam component with crossbeam 2 and longeron 3, forms prefabricated assembled frame roof beam. The cast-in-place cross beam reserves a steel bar anchor rod hole, the exposed end of the anchor rod is anchored on the side slope assembly type frame beam, and low prestress is applied to the steel bar anchor rod through the nut, so that the anchor rod is stressed actively, the stress condition of the structure can be optimized, the stress state of a slope body is changed, the self-stability capability of the slope body is enhanced, the integral supporting effect of the anchor rod frame beam structure is effectively improved, the pouring work of a slope surface on site is greatly reduced, the efficiency is greatly improved, meanwhile, the prefabricated assembly type frame beam can form a standardized product, and the engineering quality is favorably improved.

The fabricated frame beam comprises a cross beam component 1, a cross beam 2, a longitudinal beam 3 and an anchoring component 5, wherein the cross beam component 1 is of a hollow cast-in-place structure, and the cross beam 2 and the longitudinal beam 3 are of prefabricated structures. The inner side of the cross beam component is provided with a plurality of longitudinal steel bars 6, the longitudinal steel bars 6 can not only strengthen the structural strength of the cross beam component 1, but also facilitate the fixation of the cross beam 2 and the longitudinal beam 3 with the cross beam component 1, and also provide greater structural strength for the concrete of the cast-in-place cross beam component 1, thereby ensuring the structural stability of the cross beam component 1.

Two transverse ports of each cross beam component 1 are connected with a cross beam 2, and two longitudinal ports are connected with a longitudinal beam 3; a plurality of cross beams 2 and longitudinal beams 3 are fixedly connected into a whole through a cross beam member 1; the center distance between two adjacent cross beams 2 is 300cm or 400cm, and the center distance between two adjacent longitudinal beams 3 is 300cm or 400 cm; the grid of the prefabricated frame beam is square or rectangular.

Crossbeam 2 and longeron 3 all include precast concrete spare 7, and 7 inboard fixed many longitudinal reinforcement 6 and stirrups 8 that are provided with of precast concrete spare, and longitudinal reinforcement 6 stretches out 7 both ends outsides of precast concrete spare respectively, and many longitudinal reinforcement 6 overlap joints each other form a hollow cross beam 1 cast-in-place structure to it is fixed through stirrups 8, at last to 1 formwork concreting of cross beam component.

The center of each cross beam component 1 is provided with a through anchoring hole 4, an anchoring rod 5 is arranged in each anchoring hole 4, and each anchoring rod 5 comprises a steel bar anchor rod 501 arranged in each anchoring hole 4, a nut 502 sleeved at the exposed end of the steel bar anchor rod 501 and a steel base plate 503. The length of the steel bar anchor rod 501, which is positioned outside the anchoring hole 4, is 3 cm-cm, so that the later-stage anchoring of the cross beam component 1 is facilitated.

The utility model provides a pair of side slope assembled frame roof beam's manufacturing method: the manufacturing method of the slope assembly type frame beam comprises the following steps: manufacturing the cross beam 2 and the longitudinal beam 3, firstly binding longitudinal steel bars 6 and stirrups 8, supporting a formwork for blanking, filling concrete into the precast concrete members 7 to obtain a plurality of precast concrete members 7 with preset lengths and containing the longitudinal steel bars 6, wherein the lengths of the longitudinal steel bars 6 exceeding the two ends of the precast concrete members 7 are 60cm, and after the concrete is solidified, obtaining the manufactured cross beam 2 and the manufactured longitudinal beam 3;

the construction method of the slope assembled frame beam comprises the following steps: moving the prefabricated frame beam to a slope to be protected through a carrying tool, placing the prefabricated frame beam in a foundation trench pre-formed in the slope, overlapping a plurality of longitudinal steel bars 6 of cross beams 2 and longitudinal beams 3 to form a hollow cross beam member 1, fixedly connecting the longitudinal steel bars 6 through stirrups 8, forming a mounting hole for accommodating an anchoring rod 5 in the slope through drilling equipment at the center of the cross beam member 1, wherein the depth of the mounting hole is 0.2m longer than the length of a steel bar anchor rod 501, placing the steel bar anchor rod 501 in the mounting hole, positioning the other end of the steel bar anchor rod 501 at a position 3 cm-5 cm outside the anchoring hole 4, grouting the mounting hole in a hole bottom grouting normal direction, and after slurry is solidified, forming a cast-in-situ cross beam member 1 to form a complete slope assembly type frame beam; a nut 502 positioned at one end of a steel bar anchor rod 501 outside the anchoring hole 4 compresses a steel backing plate 503 to enable the steel backing plate 503 to be tightly contacted with the upper surface of the cross beam component 1 to form pretightening force; and finally, performing cast-in-place anchor sealing on the cross beam member 1 and the steel bar anchor rods 501 to complete the construction work of the side slope assembled frame beam on the side slope.

Claims

1. The side slope assembled frame beam is characterized by comprising a plurality of cross beam members (1), wherein two transverse ports of each cross beam member (1) are connected with a cross beam (2), and two longitudinal ports of each cross beam member (1) are connected with a longitudinal beam (3); the cross beams (2) and the longitudinal beams (3) are fixedly connected into a whole through the cross beam member (1);

the center of each cross beam component (1) is provided with a through anchoring hole (4), an anchoring rod (5) is arranged in each anchoring hole (4), and each anchoring rod (5) comprises a steel bar anchor rod (501) arranged in each anchoring hole (4), a nut (502) sleeved at the exposed end of each steel bar anchor rod (501) and a steel base plate (503).

2. A side slope fabricated frame beam according to claim 1, wherein the cross beam member (1) is a hollow cast-in-place structure, and a plurality of longitudinal steel bars (6) are fixedly arranged on the inner side of the cross beam member (1).

3. A side slope fabricated frame beam according to claim 2, wherein the cross beam (2) and the longitudinal beam (3) both comprise precast concrete members (7), a plurality of longitudinal steel bars (6) and stirrups (8) are fixedly arranged on the inner sides of the precast concrete members (7), two ends of the plurality of longitudinal steel bars (6) respectively extend out of two ends of the precast concrete members (7), the plurality of longitudinal steel bars (6) are overlapped with each other to form a hollow cross beam cast-in-place structure and are fixed through the stirrups (8), and finally, the cross beam member (1) is formwork-cast with concrete.

4. A side slope fabricated frame beam according to claim 1, wherein the length of the reinforcing bar anchor rods (501) located outside the anchoring holes (4) is 3cm to 5 cm.

5. A slope-assembled frame beam according to any one of claims 1 to 4, wherein the center-to-center distance between two adjacent cross beams (2) is 300cm or 400cm, and the center-to-center distance between two adjacent longitudinal beams (3) is 300cm or 400 cm.