CN205907729U - Fixed braced system of horizontal load test pile head of directional formula - Google Patents
Fixed braced system of horizontal load test pile head of directional formula Download PDFInfo
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- CN205907729U CN205907729U CN201620919296.1U CN201620919296U CN205907729U CN 205907729 U CN205907729 U CN 205907729U CN 201620919296 U CN201620919296 U CN 201620919296U CN 205907729 U CN205907729 U CN 205907729U
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- pile crown
- pile head
- pin
- test
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Abstract
The utility model discloses a fixed braced system of horizontal load test pile head of directional formula, including pile head bearing structure and the fixed staple bolt of pile head, pile head bearing structure includes two pin support frames, every pin the support frame includes mutually perpendicular welded support post and supporting beam respectively, the welding of supporting beam bottom has the backup pad, the support post with be provided with between the supporting beam and strengthen propping two pin be provided with between the support frame to connect and prop, the fixed staple bolt of pile head is including supporting connecting portion, connecting portion are supported and an after -fixing portion that is connected with can be dismantled, pile head bearing structure's below is provided with supports foundation structure to and a plurality of rolls set up in pile head bearing structure with support the roller bearing between the foundation structure. The utility model discloses form an independent support framework braced system, not only easy dismounting does benefit to and improves test efficiency, and test data is accurate in addition, can actually reflect the parameter needs on industry basis, satisfies test requirement.
Description
Technical field
The utility model is related to structure steel fabrication and mounting technique field and in particular to the determining of a kind of pile foundation performance test
Fix support system to formula horizontal loading test pile crown.
Background technology
Directional type horizontal loading test is the special test method of horizontal bearing capacity in pile foundation performance test, and major embodiment goes out
In the big raft foundation of industrial building project concrete, dummy level stress obtains corresponding test parameters to pile foundation, uses
Use bearing requirements to check pile foundation global design and whether meet.And directional type horizontal loading test needs to test pile head 2m
Carry out rigidity to fix, free segment is arranged on the fixing point of a firm non-displacement, how using the design of 5m anchoring pile, free segment with solid
Pinpoint as slide design, test pressurized rear test pile and be oriented horizontal displacement.But, supporting input fixing complicated due to installing
High cost, present situation majority carries out pile foundation level test of bearing capacity using free style horizontal loading test method, and the method is to test
Stake carries out destructive testing, obtains maximum displacement.Due to pile crown produced by free state displacement parameter, its data can not be real
Border reflects that the parameter of industrial foundation needs, and causes design overload.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of easy disassembly, beneficial to raising test efficiency, satisfaction
Support system fixed by the directional type horizontal loading test pile crown of test requirements document.
For solving above-mentioned technical problem, the technical solution of the utility model is: directional type horizontal loading test pile crown is fixed
Support system, comprising:
Pile crown supporting construction, including two Pin bracing frames, every Pin support frame as described above includes the support being mutually perpendicular to weld respectively
Column and support beam, described support beam has gripper shoe away from one end bottom welding of described support post, and described support is stood
It is provided with strengthening support between post and described support beam, between two Pin support frames as described above, be provided with connection support；
Anchor ear fixed by pile crown, is provided with two or more and vertically interval setting, supports knot including with described pile crown
The support connecting portion that structure is fixedly connected, described support connecting portion is removably connected with a rear fixed part；
Brace foundation structure, is arranged at the lower section of described pile crown supporting construction；
Roller assembly, is arranged at the rolling between described pile crown supporting construction and described brace foundation structure including some rollings
Axle.
As preferred technical scheme, described support beam is welded at the Liang meter position of support post top.
As preferred technical scheme, the stake rear fixed part of the fixing anchor ear of described pile crown is provided with lifting handle.
As preferred technical scheme, described brace foundation structure includes the base board of level laying, on described base board
Portion centre position is welded with rigidity buttress.
Due to employing technique scheme, support system fixed by directional type horizontal loading test pile crown, props up including pile crown
Support structure, pile crown supporting construction includes two Pin bracing frames, and the support that every Pin support frame as described above includes being mutually perpendicular to weld respectively is stood
Post and support beam, described support beam has gripper shoe away from one end bottom welding of described support post, described support post
It is provided with strengthening support and described support beam between, between two Pin support frames as described above, be provided with connection support；Anchor ear bag fixed by pile crown
Include the support connecting portion being fixedly connected with described pile crown supporting construction, described support connecting portion is fixed after being removably connected with stake
Portion；The lower section of described pile crown supporting construction is provided with brace foundation structure, and some rollings are arranged at described pile crown and support knot
Roller bearing between structure and described brace foundation structure；The utility model has the advantages that said structure forms one solely
Vertical supporting framework support system, not only easy accessibility, beneficial to raising test efficiency, and test data is accurately, can be actual
The parameter of reflection industrial foundation needs, and meets test requirements document.
Brief description
The following drawings is only intended to, in the utility model is done with schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein:
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of pile crown supporting construction；
Fig. 3 be in Fig. 2 a-a to structural representation；
Fig. 4 be in Fig. 2 b-b to structural representation；
Fig. 5 be in Fig. 2 c-c to structural representation；
Fig. 6 is the structural representation of brace foundation structure；
Fig. 7 is test instrumentation placement schematic diagram.
In figure:
100- pile crown supporting construction；101- support post；102- support beam；103- gripper shoe；104- first strengthening support；
105- second strengthening support；106- the 3rd strengthening support；107- connects support；
Anchor ear fixed by 200- pile crown；201- supports connecting portion；202- stake rear fixed part；203- lifting handle；
300- brace foundation structure；301- base board；302- buttress；
400- roller assembly；
500- test pile；
601st, 602,603,604- test instrumentation.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through to say
Bright mode describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art is permissible
Recognize, in the case of without departing from spirit and scope of the present utility model, can by with various different in the way of to described
Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim
Scope.
As shown in Figures 1 to 7, support system fixed by directional type horizontal loading test pile crown, comprising:
Pile crown supporting construction 100, including two Pin bracing frames, every Pin support frame as described above includes being mutually perpendicular to propping up of welding respectively
Support column 101 and support beam 102, can be made using 250mm I-steel, support post 101 height 2.8m, support beam
102 length 3.4m, described support beam 102 vertical welding is at support post 101 top Liang meter position；Described support is horizontal
Beam 102 has gripper shoe 103 away from one end bottom welding of described support post 101, and gripper shoe 103 adopts 6mm steel plate；Described
It is provided with strengthening support, strengthening support includes the first strengthening support 104, the second strengthening support between support column 101 and described support beam 102
105 and the 3rd strengthening support 106, the first strengthening support 104 adopts 150mm I-steel to connect support post 101 and support beam 102,
Angle requires (30 °/60 °/90 °), and link position carries out full weld it is ensured that column is required with the perpendicularity of crossbeam；First strengthening support
104 add the second strengthening support 105 that angle of inclination is 45 ° and vertically disposed 3rd strengthening support 106 with square position, and second adds
Strong support the 105, the 3rd strengthening support 106 uses 100mm I-steel；Two Pin support frames as described above are located at pile crown both sides respectively, and middle part is by even
Connect support 107 (100mm channel-section steel) to connect, depending on two Pin spacing are by Pile Diameter；
Anchor ear 200 fixed by pile crown, is provided with two or more and vertically interval setting, supports including with described pile crown
Structure 100 is fixedly connected the support connecting portion 201 of (as welded), and described support connecting portion 201 is fixed after being removably connected with stake
Portion 202；In the present embodiment, steel pipe 1/2nd is cut with diameter steel pipe using 16mm is thick, upper, middle and lower arranges three road bags
Hoop, shroud ring width 250mm, spacing is 75cm, and shroud ring thickness of slab is not less than 16mm, after the completion of positioning, is reinforced and stress point props up
Support, supports connecting portion 201 to be welded to bracing frame, and stake rear fixed part 202 is passed through high-strength bolt and is connected with support connecting portion 201；
In stake rear fixed part 202, lifting handle 203 is installed, and indicates installation direction；
Brace foundation structure 300, is arranged at the lower section of described pile crown supporting construction 100, including the base board of level laying
301,3*6m base board can be adopted, described base board 301 upper middle position is welded with 1.2*1.2m rigidity buttress 302,
Pier can be welded side by side using 220 I-steel and make, buttress height 250mm, and top uses the levelling welding of steel plate, after test lays
Carry out 2 hours static loads using briquetting；
It is provided with roller assembly 400, this enforcement between described pile crown supporting construction 100 and described brace foundation structure 300
Using 8 50mm*4mm seamless steel pipes as the roller bearing sliding in example.
As shown in figure 1, according to test pile 500 position, carrying out excavating operation；Lay the base board of brace foundation structure 300
301, rigidity buttress 302 is positioned over base board 301 center, away from test pile 500 spacing 3m, center line aligns, levelling rear point
It is soldered on base board 301；Place roller assembly 400, perpendicular to test pile orientated axis；Pile crown supporting construction 100 is installed, will prop up
Support crossbeam 102 leading portion bottom support plate 103 (steel plate) drops down onto on roller assembly 400, and pile crown supporting construction 100 level is advanced to
Test pile position, test pile all snaps in the support connecting portion 201 of the fixing anchor ear 200 of pile crown, installs the stake rear fixed part of anchor ear
202, according to dividing to position, using high-strength bolt, shroud ring is fastened；If any out-of-flatness end by Stake head handling.
As shown in fig. 7, test instrumentation 601 detection stake top gradient, test instrumentation 602 detection stake orientation displacement, tester
Table 603 detection of pier foundation lateral displacement, test instrumentation 604 detects support lateral displacement, supports in buttress and the detection of roadbed Board position
The sedimentation degree at end.
The foregoing is only the schematic specific embodiment of the utility model, be not limited to model of the present utility model
Enclose.Any those skilled in the art, done equivalent change on the premise of without departing from design of the present utility model and principle
Change and modification, the scope of the utility model protection all should be belonged to.
Claims (4)
1. the fixing support system of directional type horizontal loading test pile crown is it is characterised in that include:
Pile crown supporting construction, including two Pin bracing frames, every Pin support frame as described above includes the support post being mutually perpendicular to weld respectively
And support beam, described support beam has gripper shoe away from one end bottom welding of described support post, described support post and
It is provided with strengthening support between described support beam, between two Pin support frames as described above, be provided with connection support；
Anchor ear fixed by pile crown, is provided with two or more and vertically interval setting, including solid with described pile crown supporting construction
The fixed support connecting portion connecting, described support connecting portion is removably connected with a rear fixed part；
Brace foundation structure, is arranged at the lower section of described pile crown supporting construction；
Roller assembly, is arranged at the roller bearing between described pile crown supporting construction and described brace foundation structure including some rollings.
2. the fixing support system of directional type horizontal loading test pile crown as claimed in claim 1 it is characterised in that: described support
Beam welding is at the Liang meter position of support post top.
3. the fixing support system of directional type horizontal loading test pile crown as claimed in claim 1 it is characterised in that: described pile crown
It is provided with lifting handle in the stake rear fixed part of fixing anchor ear.
4. the fixing support system of directional type horizontal loading test pile crown as described in claim 1,2 or 3 it is characterised in that: institute
State the base board that brace foundation structure includes level laying, described base board upper middle position is welded with rigidity buttress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919296.1U CN205907729U (en) | 2016-08-23 | 2016-08-23 | Fixed braced system of horizontal load test pile head of directional formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919296.1U CN205907729U (en) | 2016-08-23 | 2016-08-23 | Fixed braced system of horizontal load test pile head of directional formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205907729U true CN205907729U (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620919296.1U Active CN205907729U (en) | 2016-08-23 | 2016-08-23 | Fixed braced system of horizontal load test pile head of directional formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737871A (en) * | 2021-09-17 | 2021-12-03 | 中建八局第二建设有限公司 | Device and method for preventing rotation generated in pile horizontal thrust test |
-
2016
- 2016-08-23 CN CN201620919296.1U patent/CN205907729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737871A (en) * | 2021-09-17 | 2021-12-03 | 中建八局第二建设有限公司 | Device and method for preventing rotation generated in pile horizontal thrust test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee after: POWERCHINA NUCLEAR ENGINEERING Co.,Ltd. Address before: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee before: POWERCHINA NUCLEAR ENGINEERING Co. |
|
| CP01 | Change in the name or title of a patent holder |