CN201155106Y - Strut member for guard post of deep-foundation pit - Google Patents
Strut member for guard post of deep-foundation pit Download PDFInfo
- Publication number
- CN201155106Y CN201155106Y CNU2008200828464U CN200820082846U CN201155106Y CN 201155106 Y CN201155106 Y CN 201155106Y CN U2008200828464 U CNU2008200828464 U CN U2008200828464U CN 200820082846 U CN200820082846 U CN 200820082846U CN 201155106 Y CN201155106 Y CN 201155106Y
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- China
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- reinforced concrete
- steel plate
- foundation pit
- node
- steel
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Abstract
A strut member used in a deep foundation pit guard post has strong strength and low cost. Reinforced concrete hollow tubes are connected between node strut members that are arranged longitudinally and horizontally. The node strut member is made by combining a reinforced concrete block and a connector. The connector is made by welding a steel plate of a joint block connected with the reinforced concrete block, a steel plate of a connection tube connected with a reinforced concrete hollow tube and a steel tube. Bolt holes are arranged on the circumference of the steel plate of the connection tube. The end surface of the reinforced concrete hollow tube is connected with the steel plate. Screwed holes corresponding to the bolt holes on the circumference of the steel plate of the connection tube are arranged on the circumference of the steel plate. The steel plate of the connection tube and the steel plate at the end surface of the reinforced concrete hollow tube go through the bolt holes and the screwed holes by the bolt and are combined together, thus connecting the reinforced concrete hollow tube and the connector. The lower part of the reinforced concrete block is connected with a vertical strut. The strut member of the utility model is suitable for using in the deep foundation pit guard post.
Description
Technical field
The utility model relates to the supporting and protection structure part of building underground construction deep foundation ditch.
Background technology
Need set up support member in the underground construction deep foundation pit construction process between deep foundation pit fender post, common this support member adopts cast-in-situ steel reinforced concrete and callable steel pipe or two kinds of forms of shaped steel.Though the cast-in-situ steel reinforced concrete support member has applying flexible, safe and reliable advantage, its operation is many, speed of application is slow, as provisional member its consume that material is many, cost is high, from great, utilization rate is low, demolition blasting influences surrounding enviroment again; Though steel pipe or shaped steel support member can reuse, it installs little, the difficulty of cutting the earth of spacing between complicated, the support member, in addition, because of disposable have high input and turnover rate with turn of the market, its actual amortization cost is also higher.
The reinforced concrete pipe pile that adopts batch production production is as the pressurized support bar, the supporting way that props up piece in conjunction with power transmission conversion connector, prestressing force drag-line and cast-in-situ steel reinforced concrete node has absorbed the advantage of above-mentioned two kinds of supporting forms, overcome the shortcoming of traditional support member, and this kind supporting way is not seen application and report.
Summary of the invention
The utility model is for solution deep foundation pit fender post support member cost height at present commonly used and cast-in-situ steel reinforced concrete support member consumption material is big and explosion influences problem of environment, the support member of a kind of deep foundation pit fender post of this novel practical is provided for this reason, this support member can reuse, it supports to compare with the conventional steel reinforced concrete and can reduce cost more than 50%, and the shoveling space is big, speed of application is fast, system easy to control the quality.
For addressing the above problem, the technical solution adopted in the utility model is to be provided with alternate in length and breadth node to prop up part, described node props up and is connected with pole between part, its special character is that described pole is the reinforced concrete hollow pipe, and described node props up part and is made of with the connector combination that can be connected with described reinforced concrete hollow pipe reinforced concrete block; Described connector is by constituting with connect block plate, the adapter steel plate that can be connected with described reinforced concrete hollow pipe and the described lengths of steel pipes welding that connects block plate and take between the steel plate of described reinforced concrete block connection; Described adapter steel plate periphery offers bolt hole; Described reinforced concrete hollow pipe and the end face that described connector connects are associated with this steel plate periphery of steel plate and offer hole with the corresponding band silk mouth of the bolt hole of described adapter steel plate periphery, and the steel plate of described adapter steel plate and described concrete hollow pipe end face mutually combines through the hole that bolt penetrates described bolt hole and band silk mouth described reinforced concrete hollow pipe is connected with described connector; Be associated with vertical pillar below the described reinforced concrete block.
It is repetitive that described node in the utility model props up part, and it can be:
Described node prop up part vertically alternate have two at least, laterally alternate has two at least, longitudinal and transverse four adjacent described nodes prop up part and are in quadrangle drift angle place.This structure is applicable to that described vertical and horizontal are two-way support.
Also can be:
Described node prop up part vertically alternate have two at least, laterally alternate has two, longitudinal and transverse four adjacent described nodes prop up part and are in quadrangle drift angle place, described node prop up in the described reinforced concrete block of part by described quadrangle to the angular direction wear and be embedded with the pipe of reeving, described quadrangle props up the steel concrete interblock Zhang Lianyou drag-line of part to the node of angular direction, and this stay cable end passes the described pipe tensioning of reeving and is fixed in the described pipe outer end of reeving.This structure is applicable to that described vertically is unidirectional support.Described drag-line is preferably steel strand.
Prop up the off-centre that connects the support of reinforced concrete hollow pipe between part in order to reduce described node, weldering has the triangle stiffener on the steel plate that should be connected at lengths of steel pipes and this lengths of steel pipes two ends of described connector.
The utility model should offer bolt hole connecing of described connector on the block plate, vertical both sides of described reinforced concrete block and both lateral sides are joined described connect to stride between the block plate to wear be fixed with the break-through bolt, described break-through bolt passes described bolt hole and described reinforced concrete block, break-through bolt two ends are through fixed by nut, and node props up the issuable pulling force in part place when preventing to support whole unstability.
Under the excessive relatively situation of abutment pressure, the reinforced concrete hollow pipe that described node can be propped up between the part makes to be many binding combination into by single, to meet the compressive strength requirement.
The block plate that connects of described connector is preferably rectangular steel plates, is preferably circular steel plate by the pipe steel plate, and the steel plate of reinforced concrete hollow pipe end face is the ring-type steel plate.Weldering connects described lengths of steel pipes between the adapter steel plate that connects the block plate and the other end of described connector one end, have enough distances and space thus, be convenient to the installation and removal of bolt, nut, make being connected and convenient disassembly of described reinforced concrete hollow pipe and described connector.
Reinforced concrete hollow pipe described in the utility model is the reinforced concrete pipe pile that existing batch production is produced, i.e. " pretensioning prestressed reinforced concrete pile tube ".
The utility model adopts the prestress thin wall pile tube of widely applying in construction work as support bar, and this tubular pile concrete intensity reaches C80, and compressive strength is very high, and good rigidly, and weight is lighter relatively, and is easy for installation.Pile tube is made in batches in factory, and quality is good, and price is low, and therefore the recycling highly versatile is compared cost with the support of conventional steel reinforced concrete and reduced greatly.Its effect of steel structure connecting member is that the reinforced concrete block that props up part with node that makes that the reinforced concrete hollow pipe can be convenient and reliable connects, the off-centre that simultaneously can regulate reinforced concrete hollow pipe depression bar, make actual loading meet calculation assumption, the block plate that connects of connector can also be as the template of cast-in-situ steel reinforced concrete piece.And the cast-in-situ steel reinforced concrete piece not only power transmission is reliable, and compliance is strong, adopts fast hardening concrete accelerating construction progress and provide condition for the stretch-draw of prestressing force steel hinge line greatly.The prestressing force steel hinge line can bonding to the monolithic stability that supports, and can reuse the work efficiency height.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
Fig. 2 is a partial structurtes schematic diagram of the present utility model;
Fig. 3 is the connector structural representation in the utility model;
Fig. 4 is a kind of direction plane structural representation of overlooking of the present utility model;
Fig. 5 be of the present utility model another overlook the direction plane structural representation.
The specific embodiment
Embodiment one
The support member of deep foundation pit fender post, be provided with alternate in length and breadth node and prop up part, node props up and is connected with pole between part, and described pole is a reinforced concrete hollow pipe 1, and described node props up part and is made of with connector 2 combinations that can be connected with described reinforced concrete hollow pipe reinforced concrete block 3; Described connector is by constituting with connect block plate 23, the adapter steel plate 21 that can be connected with described reinforced concrete hollow pipe and described lengths of steel pipes 22 welding that connect block plate and take between the steel plate of described reinforced concrete block connection; Described adapter steel plate periphery offers bolt hole 211; Described reinforced concrete hollow pipe and the end face that described connector connects are associated with this steel plate periphery of steel plate and offer hole with the corresponding band silk mouth of the bolt hole of described adapter steel plate periphery, and the steel plate of described adapter steel plate and described concrete hollow pipe end face mutually combines through the hole that bolt penetrates described bolt hole and band silk mouth described reinforced concrete hollow pipe is connected with described connector; Be associated with vertical pillar 4 below the described reinforced concrete block.As shown in Figure 4, described node prop up part vertically alternate have two at least, laterally alternate has two at least, longitudinal and transverse four adjacent described nodes prop up part and are in quadrangle drift angle place.Weldering has triangle stiffener 24 on the steel plate that the lengths of steel pipes of described connector and this lengths of steel pipes two ends are connected.Connecing of described connector offers bolt hole 231 on the block plate, vertical both sides of described reinforced concrete block and both lateral sides are joined described connect to stride between the block plate 23 to wear be fixed with the break-through bolt, described break-through bolt passes described bolt hole 231 and described reinforced concrete block, and break-through bolt two ends are through fixed by nut.
The support member of this routine deep foundation pit fender post is applicable to the two-way support of vertical, horizontal.
Embodiment two
This example is different from example be described node prop up part vertically alternate have two at least, laterally alternate has two, longitudinal and transverse four adjacent described nodes prop up part and are in quadrangle drift angle place, described node prop up in the described reinforced concrete block of part by described quadrangle to the angular direction wear and be embedded with the pipe of reeving, described quadrangle props up the steel concrete interblock Zhang Lianyou guy of twisted steel cable 5 of part to the node of angular direction, as shown in Figure 5, this guy of twisted steel cable end pass described reeve the pipe tensioning be fixed in described reeve the pipe outer end.Other structure is identical with last example.
The support member of this routine deep foundation pit fender post is applicable to unidirectional support.
Embodiment three
What this example was different from example one is that described pole is the support bar by some reinforced concrete hollow pipe 1 binding combination.Other structure is identical with example one.
This example is fit to support the bigger occasion of pressure of bearing.
Claims (7)
1, the support member of deep foundation pit fender post, be provided with alternate in length and breadth node and prop up part, described node props up and is connected with pole between part, it is characterized in that described pole is reinforced concrete hollow pipe (1), described node props up part and is made of with connector (2) combination that can be connected with described reinforced concrete hollow pipe reinforced concrete block (3); Described connector is by welding formation with connect block plate (23), the adapter steel plate (21) that can be connected with described reinforced concrete hollow pipe and the described lengths of steel pipes (22) that connects block plate and take between the steel plate that described reinforced concrete block connects; Described adapter steel plate periphery offers bolt hole (211); Described reinforced concrete hollow pipe and the end face that described connector connects are associated with this steel plate periphery of steel plate and offer hole with the corresponding band silk mouth of the bolt hole of described adapter steel plate periphery, and the steel plate of described adapter steel plate and described concrete hollow pipe end face mutually combines through the hole that bolt penetrates described bolt hole and band silk mouth described reinforced concrete hollow pipe is connected with described connector; Be associated with vertical pillar (4) below the described reinforced concrete block.
2, the support member of deep foundation pit fender post as claimed in claim 1, it is characterized in that described node prop up part vertically alternate have two at least, laterally alternate has two at least, longitudinal and transverse four adjacent described nodes prop up part and are in quadrangle drift angle place.
3, the support member of deep foundation pit fender post as claimed in claim 1, it is characterized in that described node prop up part vertically alternate have two at least, laterally alternate has two, longitudinal and transverse four adjacent described nodes prop up part and are in quadrangle drift angle place, described node prop up in the described reinforced concrete block of part by described quadrangle to the angular direction wear and be embedded with the pipe of reeving, described quadrangle props up the steel concrete interblock Zhang Lianyou drag-line (5) of part to the node of angular direction, and this stay cable end passes the described pipe tensioning of reeving and is fixed in the described pipe outer end of reeving.
4, the support member of deep foundation pit fender post as claimed in claim 3 is characterized in that described drag-line is steel strand.
5,, it is characterized in that weldering has triangle stiffener (24) on the lengths of steel pipes of described connector and the steel plate that this lengths of steel pipes two ends are connected as the support member of claim 1,2 or 3 described deep foundation pit fender posts.
6, the support member of deep foundation pit fender post as claimed in claim 3, it is characterized in that connecing of described connector offers bolt hole (231) on the block plate, vertical both sides of described reinforced concrete block and both lateral sides are joined described connect to stride between the block plate (23) to wear be fixed with the break-through bolt, described break-through bolt passes described bolt hole (231) and described reinforced concrete block, and break-through bolt two ends are through fixed by nut.
7,, it is characterized in that described pole is the support bar by some reinforced concrete hollow pipes (1) binding combination as the support member of claim 1,2,3,4 or 6 described deep foundation pit fender posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200828464U CN201155106Y (en) | 2008-01-31 | 2008-01-31 | Strut member for guard post of deep-foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200828464U CN201155106Y (en) | 2008-01-31 | 2008-01-31 | Strut member for guard post of deep-foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155106Y true CN201155106Y (en) | 2008-11-26 |
Family
ID=40102891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200828464U Expired - Lifetime CN201155106Y (en) | 2008-01-31 | 2008-01-31 | Strut member for guard post of deep-foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155106Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452107A (en) * | 2013-08-28 | 2013-12-18 | 韩凤霞 | Material saving device and method for supporting transverse stress pile |
| CN105862878A (en) * | 2016-05-30 | 2016-08-17 | 建研地基基础工程有限责任公司 | Supporting system for deep foundation pit |
-
2008
- 2008-01-31 CN CNU2008200828464U patent/CN201155106Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452107A (en) * | 2013-08-28 | 2013-12-18 | 韩凤霞 | Material saving device and method for supporting transverse stress pile |
| CN103452107B (en) * | 2013-08-28 | 2015-09-02 | 韩凤霞 | A kind of material-saving device and method supporting laterally bearing pile |
| CN105862878A (en) * | 2016-05-30 | 2016-08-17 | 建研地基基础工程有限责任公司 | Supporting system for deep foundation pit |
| CN105862878B (en) * | 2016-05-30 | 2018-01-09 | 建研地基基础工程有限责任公司 | A kind of support system of deep basal pit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080131 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |