CN214090025U

CN214090025U - Pile foundation resistance to compression carrier bar for static load test convenient to balance adjustment

Info

Publication number: CN214090025U
Application number: CN202022859998.4U
Authority: CN
Inventors: 万毅; 王冬; 田明新; 万晴
Original assignee: Yangzhou Gongcheng Testing Co ltd
Current assignee: Yangzhou Gongcheng Testing Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-31
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to a pile foundation resistance to compression static load test who is convenient for balance adjustment in pile foundation detection technical field uses carrier beam, including the composite construction roof beam that is used for bearing the balancing weight, the downside center supporting of composite construction roof beam is equipped with the support post, the downside of support post is equipped with the supporting disk, the downside of composite construction roof beam still hoists and has a plurality of links, link downside has hung chain and lifting hook. The utility model discloses a pile foundation resistance to compression static load test convenient to balance adjustment is with bearing, girder and the secondary beam structure that will bear the weight thing compound into a holistic composite construction roof beam, with the bulk strength and the rigidity that improve the spandrel girder, and simultaneously, downside at the composite construction roof beam sets up a plurality of link and through the chain sling and the lifting hook of hanging, can be at the balanced weight thing of composite construction roof beam downside loading, be used for the unbalanced problem of balanced loading balancing weight piece in-process, and simultaneously, shift position in-process also can be used for hanging detection apparatus such as detection instrument or spread and help the instrument at the composite construction roof beam.

Description

Pile foundation resistance to compression carrier bar for static load test convenient to balance adjustment

Technical Field

The utility model relates to a pile foundation detects technical field, in particular to pile foundation resistance to compression dead load is bearing beam for test convenient to balanced adjustment.

Background

The building pile foundation is a main bearing part in engineering buildings such as high-rise buildings, plants or bridges, and the bearing capacity of the building pile foundation is related to safety of the whole building. The pile foundation is driven to resist compression static load detection, vertical loading is carried out on the upper side of the pile foundation, a balancing weight is added to the upper side of the pile foundation or a heavy object with set weight is piled up according to bearing requirements, Q-s curves, s-lgt and other auxiliary curves of static load tests are obtained by actually measuring pile top settlement of the pile foundation under different load effects, and then parameters such as a single-pile vertical compression bearing capacity characteristic value are calculated according to the curves.

In the prior art, when carrying out static test to the pile foundation, need set up loading device from the top, loading device commonly used generally includes a girder, is equipped with a plurality of secondary beams on the girder perpendicularly, and girder downside center sets up the jack, and the jack below is connected with the pile foundation support of awaiting measuring through the support, and the secondary beam upside is used for loading the balancing weight. The loading device has higher bearing requirement on the main beam, can meet the supporting requirement of the upper secondary beam and the counterweight block only by increasing the structural strength of the main beam in size, and has higher requirement on the balance loading between the main beam and the secondary beam after the counterweight is added on the upper part. Under the condition of unbalanced loading, the stress of the main beam is easily unbalanced, and the safety problem exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be used for bearing the problem that the primary and secondary girder structure that the balancing weight required height to the load balance among the prior art in the experiment of pile foundation resistance to compression static load, provide a pile foundation resistance to compression static load experiment convenient to balance adjustment is with bearing, be an overall structure roof beam with girder and secondary beam complex to set the suspended structure who is used for the balance weight at the downside of overall structure roof beam, so that stack the balancing weight, and improve the intensity and the balance performance of composite construction roof beam.

The utility model aims at realizing like this, a pile foundation resistance to compression dead load is bearing beam for experiment convenient to balance adjustment, including the composite construction roof beam that is used for bearing the balancing weight, the downside center support of composite construction roof beam is equipped with the support post, the downside of support post is equipped with the supporting disk, the downside of composite construction roof beam still hoists there are a plurality of links, link downside is hung and is hung chain and lifting hook.

The utility model discloses a pile foundation resistance to compression static load test convenient to balance adjustment is with bearing, girder and the secondary beam structure that will bear the weight thing compound into a holistic composite construction roof beam, with the bulk strength and the rigidity that improve the spandrel girder, and simultaneously, downside at the composite construction roof beam sets up a plurality of link and through the chain sling and the lifting hook of hanging, can be at the balanced weight thing of composite construction roof beam downside loading, be used for the unbalanced problem of balanced loading balancing weight piece in-process, and simultaneously, shift position in-process also can be used for hanging detection apparatus such as detection instrument or spread and help the instrument at the composite construction roof beam.

Furthermore, the suspension loops are arranged along the center of the lower side of the composite structure beam symmetrically.

Furthermore, the composite structure beam comprises an upper bearing plate and a lower bearing plate which are horizontally arranged, the upper bearing plate corresponds to the lower bearing plate up and down, a supporting framework is arranged between the upper bearing plate and the lower bearing plate, and vertical supporting baffle plates are arranged around the peripheral edges of the upper bearing plate and the lower bearing plate; the supporting baffle plate seals the circumferential side surrounding barrier between the upper bearing plate and the lower bearing plate. The utility model discloses a composite construction roof beam, with last bearing plate and lower bearing plate through the structure that the supporting framework combined connection becomes a whole bearing to go up the bearing plate and further strengthen through the supporting baffle with the week side edge of bearing plate down, ensure holistic intensity and rigidity of composite construction roof beam, go up the bearing plate upside and be used for stacking the balancing weight, obtained the reinforcing because of the bulk strength and the rigidity of composite construction roof beam, make holistic composite construction bearing capacity strong, the security after loading and bearing is high.

In order to further improve the rigidity and the bearing capacity of the composite structural beam, a force transmission thick plate is arranged between the lower bearing plate and the supporting column, and the center of the force transmission thick plate, the center of the upper bearing plate and the center of the lower bearing plate are positioned on the same vertical line and coincide with the center of the supporting column; the force transmission thick plate is attached to the lower bearing plate, and the edge of the force transmission thick plate is welded and fixed.

In order to facilitate the integral connection of the supporting framework with the upper bearing plate and the lower bearing plate, the supporting framework comprises a central buttress arranged along the centers of the upper bearing plate and the lower bearing plate, the upper end and the lower end of the central buttress are respectively fixed with the upper bearing plate and the lower bearing plate, a plurality of framework plates are divergently arranged on the periphery of the central buttress in a shape like a Chinese character mi, the upper side edge and the lower side edge of each framework plate are respectively in supporting contact with and fixed with the upper bearing plate and the lower bearing plate, and the end parts, adjacent to the central buttress, of the framework plates are fixedly connected with the side walls of the central buttress.

Drawings

Fig. 1 is the utility model discloses a pile foundation resistance to compression static load test with leading view who bears convenient to balance adjustment.

Fig. 2 is the utility model discloses a composite construction roof beam's for pile foundation resistance to compression static load test plan view (removing the upper bearing plate).

Wherein, 1, an upper bearing plate; 2, a lower bearing plate; 3 supporting the framework; 301 a skeleton plate; 302 center buttress; 4 supporting the baffle plate; 5 transferring a thick plate; 6 supporting columns; 7 a support tray; 8, hanging rings; 9, hanging a chain; 10 hook.

Detailed Description

As shown in figures 1 and 2, for the composite structural beam for the pile foundation compression resistance static load test, which is convenient for balance adjustment,

the composite structure beam comprises a composite structure beam for bearing a balancing weight, wherein a supporting column 6 is supported at the center of the lower side of the composite structure beam, a supporting disc 7 is arranged at the lower side of the supporting column 6, a plurality of hanging rings 8 are also hung at the lower side of the composite structure beam, the hanging rings 8 are symmetrically arranged along the center of the lower side of the composite structure beam, and a hanging chain 9 and a hanging hook 10 are hung at the lower side of each hanging ring 8; the composite structure beam of the embodiment comprises an upper bearing plate 1 and a lower bearing plate 2 which are horizontally arranged, the upper bearing plate 1 corresponds to the lower bearing plate 2 up and down, a supporting framework 3 is arranged between the upper bearing plate 1 and the lower bearing plate 2, the peripheral edges of the upper bearing plate 1 and the lower bearing plate 2 are surrounded by a vertical supporting baffle 4, and the peripheral edges of the upper bearing plate 1 and the lower bearing plate 2 are surrounded by the supporting baffle 4 and are sealed.

In order to further improve the rigidity and the bearing capacity of the composite structural beam, a force transmission thick plate 5 is further arranged between the lower bearing plate 2 and the supporting column 6, and the center of the force transmission thick plate 5, the center of the upper bearing plate 1 and the center of the lower bearing plate 2 are positioned on the same vertical straight line and coincide with the center of the supporting column 6. In order to fix the force transfer thick plate 5 to the lower bearing plate 2, in this embodiment, the force transfer thick plate 5 is attached to the lower bearing plate 2 and welded and fixed at the edge.

In order to facilitate the integral connection of the supporting framework 3 with the upper bearing plate 1 and the lower bearing plate 2, in this embodiment, the supporting framework 3 includes a central buttress 302 arranged along the centers of the upper bearing plate 1 and the lower bearing plate 2, the upper end and the lower end of the central buttress 302 are respectively fixed with the upper bearing plate 1 and the lower bearing plate 2, the periphery of the central buttress 302 is divergently provided with a plurality of framework plates 301 in a shape like a Chinese character 'mi', the upper side edge and the lower side edge of each framework plate 301 are respectively in supporting contact with and fixed to the upper bearing plate 1 and the lower bearing plate 2, and the end part of the framework plate 301 adjacent to the central buttress 302 is fixedly connected with the side wall of the central buttress 302. The utility model discloses a composite construction roof beam, will go up bearing plate 1 and lower bearing plate 2 through the structure of 3 compound couplings of supporting framework into a whole bearing, and go up bearing plate 1 and the week side edge of lower bearing plate 2 and further strengthen through supporting baffle 4, ensure holistic intensity and balance property of composite construction roof beam, it is used for stacking the balancing weight to go up the bearing plate upside, whole intensity and the rigidity because of the composite construction roof beam have obtained the reinforcing, the self-balancing performance improves, and holistic composite construction bearing capacity is strong, the security after loading and bearing is high.

The utility model discloses a pile foundation resistance to compression static load test convenient to balance adjustment is with bearing, in static pressure load test, the downside of supporting disk 6 is used for installing hydraulic jack to hydraulic jack's resultant force center is coaxial with the central line of supporting disk 6, and the hydraulic jack downside is directly or through the piece support mounting of bed hedgehopping on waiting to detect the single pile, and hydraulic jack's resultant force center and the coincidence of the central line of single pile. Then, a debugging detection device is installed, namely, the balancing weight can be superposed on the upper side of the bearing plate, and meanwhile, in the loading process, in order to ensure that the composite structure beam is balanced in stress, the balancing weight with proper weight can be hung on the lower side of the lifting hook so as to balance the problem of unbalanced loading on the upper side of the composite structure beam, so that an upper-side counterweight loading program is simplified, and sequential loading is carried out layer by layer; in addition, when the composite structure beam is moved at the transfer detection position, the detection tool and the paving assisting equipment can be hung on the lifting hook on the lower side and transferred together with the composite structure beam.

Claims

1. The utility model provides a pile foundation resistance to compression for static test carrier bar convenient to balance adjustment, a serial communication port, including the composite construction roof beam that is used for bearing the balancing weight, the downside central bearing of composite construction roof beam is equipped with the support post, the downside of support post is equipped with the supporting disk, the downside of composite construction roof beam still hoists there are a plurality of links, the link downside has hung chain sling and lifting hook.

2. The load-bearing beam for the pile foundation compression resistance static load test, which is convenient for balance adjustment, as recited in claim 1, wherein the suspension loops are arranged along the center of the lower side of the composite structure beam symmetrically.

3. The carrier beam convenient for the balance adjustment of the compressive static load test of the pile foundation as claimed in claim 1, wherein the composite structure beam comprises an upper bearing plate and a lower bearing plate which are horizontally arranged, the upper bearing plate and the lower bearing plate vertically correspond to each other, a supporting framework is arranged between the upper bearing plate and the lower bearing plate, and vertical supporting baffles are arranged around the peripheral edges of the upper bearing plate and the lower bearing plate; the supporting baffle plate seals the circumferential side surrounding barrier between the upper bearing plate and the lower bearing plate.

4. The load-bearing beam for the pile foundation compression resistance static load test, which is convenient for balance adjustment, according to claim 3, wherein a force transmission thick plate is further arranged between the lower bearing plate and the support column, and the center of the force transmission thick plate, the center of the upper bearing plate and the center of the lower bearing plate are positioned on the same vertical line and coincide with the center of the support column; the force transmission thick plate is attached to the lower bearing plate, and the edge of the force transmission thick plate is welded and fixed.

5. The carrier bar for the compression and static load test of the pile foundation convenient for balance adjustment according to claim 3, wherein the supporting framework comprises a central buttress arranged along the center of the upper bearing plate and the lower bearing plate, the upper end and the lower end of the central buttress are respectively fixed with the upper bearing plate and the lower bearing plate, the periphery of the central buttress is divergently provided with a plurality of framework plates in a shape like a Chinese character mi, the upper lateral edge and the lower lateral edge of each framework plate are respectively in supporting contact with and fixed with the upper bearing plate and the lower bearing plate, and the end parts of the framework plates adjacent to the central buttress are fixedly connected with the side walls of the central buttress.