CN209975503U - Static pressing pile of assembled fender pile - Google Patents
Static pressing pile of assembled fender pile Download PDFInfo
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- CN209975503U CN209975503U CN201920292382.8U CN201920292382U CN209975503U CN 209975503 U CN209975503 U CN 209975503U CN 201920292382 U CN201920292382 U CN 201920292382U CN 209975503 U CN209975503 U CN 209975503U
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- pile
- grouting
- static pressure
- steel pipe
- fender
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Abstract
The utility model relates to an assembled fender pile static pressure stake belongs to building technical field. The fender pile is of a cylindrical structure. The fender pile comprises a prefabricated hollow steel pipe and a prefabricated pile top monitoring point. The fender pile still includes upper portion stake and lower part stake, and upper portion stake and lower part stake are connected through steel reinforcement sleeve grout, and the steel reinforcement of upper portion stake inserts behind the connecting sleeve from grout hole slip casting. The utility model discloses be convenient for monitor among the excavation process, connect convenient in the construction, construction speed is fast, economic effect is good, and the transportation is convenient, and is not fragile in the transportation, shortens man-hour, reduces the cost, is applicable to the foundation ditch engineering of various depths.
Description
Technical Field
The utility model belongs to the technical field of the building, especially, relate to an assembled fender pile static pressure stake.
Background
The foundation pit monitoring is an important link in foundation pit engineering construction, and means that during foundation pit excavation and a foundation pit construction process, various observation and analysis works are carried out on the characteristics of the foundation pit and the rock, the displacement of a supporting structure and the change of surrounding environment conditions, monitoring results are fed back in time, the deformation and the development of a stable state which are caused after further excavation construction are predicted, and the degree of influence of the construction on the surrounding environment is judged according to the prediction to guide design and construction. The static pressure pile of the fabricated fender pile is designed and constructed in a field assembly mode by mainly using concrete prefabricated parts produced in factories. The existing prefabricated fender pile is lack of a hollow steel pipe, and cannot monitor the horizontal displacement of the deep layer of a soil body. And excavation of the pit must be monitored. The problem that the existing prefabricated fender pile cannot monitor the horizontal displacement of the deep layer of the soil body is solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, in order to solve the above-mentioned technical problem who exists, the utility model provides an assembled fender pile static pressure pile, the deep horizontal displacement of soil body can effectively be monitored to built-in hollow steel pipe that can supply the deviational survey probe to pass through, and structural design is reasonable, the combination is convenient, be applicable to various degree of depth foundation pits.
The utility model adopts the technical scheme as follows:
a static pressing pile of an assembled fender pile comprises an upper pile, a lower pile, a hollow steel pipe, a longitudinal guide groove, a connecting steel bar, a grouting sleeve, a grouting opening and a pile top monitoring point; prefabricated hollow steel pipes are arranged inside the upper pile and the lower pile, and the hollow steel pipes and the longitudinal bars inside the reinforced concrete pile are bound together before pouring; two pairs of longitudinal guide grooves are formed in the inner wall of the hollow steel pipe; the periphery of the lower end face of the upper pile is provided with connecting steel bars and is connected with a grouting sleeve arranged on the periphery of the upper end face of the lower pile, a grouting opening is reserved on the outer side wall of the grouting sleeve, and a pile top monitoring point is arranged at the top of the upper pile.
Furthermore, the diameter of the hollow pipeline in the fender post is 45-90 mm, and the hollow pipeline is made of polyvinyl chloride (PVC) engineering plastics or aluminum alloy pipes.
Further, the connection mode of the upper pile and the lower pile is welding or bolt connection.
Furthermore, the upper end of the hollow steel pipe is communicated with the upper end surface of the upper pile or the lower pile, and the lower end of the hollow steel pipe is communicated with the lower end surface of the upper pile or the lower pile.
Furthermore, the pile top monitoring point at the top of the upper pile is a steel pipe with the diameter of 5mm-10mm and the length of 100mm, and the pile top monitoring point can monitor the displacement of the pile top and the settlement of the pile top.
Further, the grouting sleeve is a hollow steel pipe, the diameter of the grouting sleeve is larger than that of the connecting steel bar, grouting is conducted into the grouting sleeve through a grouting opening, the diameter of the grouting opening is 20-30 mm, and the distance between the grouting opening and the upper end face of the lower pile is 40-50 mm; the equal interval setting of connecting reinforcement and grout sleeve, and correspond each other.
Furthermore, the longitudinal guide grooves are arranged in an inwards concave mode, and the two pairs of longitudinal guide grooves are perpendicular to each other in the horizontal plane and are arranged vertically.
Furthermore, the inclinometer probe directly extends into the fender post through the longitudinal guide groove for monitoring.
Furthermore, the upper part of the connecting steel bar is reserved for 200mm and integrally poured with the lower end of the upper pile, and the lower part of the connecting steel bar extends out of the lower end of the upper pile for 400 mm.
Furthermore, when the upper pile and the lower pile are connected, after the connecting steel bar is inserted into the grouting sleeve, grouting slurry is injected into the grouting sleeve through the grouting opening, and after the grouting slurry is condensed, connection is finished. The static pressing pile of the fabricated fender pile is made of reinforced concrete.
A structure and a manufacturing method of a static pressing pile of an assembled fender pile have the following working principle:
during operation, the fender pile is put down in a static pressure mode after being assembled on site. The static pressure pile is a method for constructing engineering pile foundation, and the static pressure pile construction is a pile sinking process for pressing prefabricated pile into the soil by using pile pressing mechanism of static pile press to provide counter force by means of self weight of pile press and counter weight on machine frame. Static pressure pile: the advantages are that the vibration, noise and pollution caused by hammering are avoided completely, so that the construction method has the advantages of no damage to the pile, no noise, no vibration, no impact force, no pollution and the like.
Firstly, the grouting sleeve is completely sleeved on the connecting steel bar of the pile at the upper part of one side, and then the component is fixed: the component is fixed after being hoisted in place according to the installation requirement. And (4) grouting after fixing, carrying out grouting hole inspection before grouting (whether impurities influencing mortar flow exist in the grouting holes or not to ensure the smooth hole paths), and then grouting non-shrinkage grouting materials. After grouting, the grouting material can enter the following subsequent construction after the strength of the test block under the same condition reaches 35MPa (1-3 days of special grouting material). The components and the key layer are not subjected to vibration and collision within 24 hours after grouting.
And after the member is installed, pile discharging is carried out in a static pressure mode. The pile inserting and splicing are to ensure the correct center and the vertical pile body. The pile tip is in place, centered and straightened. For a YZY type pile press, a pile tip is aligned to a pile position by starting a longitudinal traveling oil cylinder and a transverse traveling oil cylinder; and starting the pile pressing oil cylinder to press the pile into the soil by about 1m, and stopping pressing the pile to adjust the verticality of the pile in two directions. The pile is clamped through the clamping oil cylinder, then the pile pressing oil cylinder extends to apply pressure to the pile, and the pressing force is reflected by the pressure gauge. In the pile driving process, the relation between the pile penetration depth and the reading of a pressure gauge is carefully recorded so as to judge the quality and the bearing capacity of the pile. When the reading of the pressure gauge suddenly rises or falls, the machine needs to be stopped to analyze the geological data, and whether obstacles are met or pile breaking conditions are generated or not is judged.
When the horizontal displacement of the deep layer of the soil body is monitored in the later period, the probe of the inclinometer is monitored through the vertical guide grooves which are vertical to each other in the hollow steel pipe.
The utility model has the advantages and beneficial effect:
1. the monitoring is convenient: different from the existing assembled fender pile static pressure pile, the existing assembled fender pile static pressure pile cannot monitor the horizontal displacement of the deep soil body; the assembled fender pile static pressing pile designed by the utility model has the advantages that the monitoring of the horizontal displacement of the deep layer of the soil body is very convenient through two groups of vertical guide grooves which are vertical to each other in the prefabricated steel pipe hollow steel pipe;
2. the method is suitable for foundation pits with various depths: through steel sleeve, the utility model discloses connect conveniently, length-adjustable is applicable to the foundation ditch of various different length.
Drawings
FIG. 1 is a schematic plan view of an upper pile of the present invention;
fig. 2 is a schematic plan view of the lower pile of the present invention;
FIG. 3 is a schematic side view of the upper pile of the present invention;
FIG. 4 is a schematic side view of the lower pile of the present invention;
FIG. 5 is a partial enlarged view of the hollow steel pipe of the present invention;
in the figure, 1 is a longitudinal guide groove; 2 is a hollow steel pipe; 3 is connecting steel bar; 4, a grouting sleeve; 5 is a grouting port; 6 is a pile top monitoring point; 7 is an upper pile; and 8 is a lower pile.
Detailed Description
The present invention will be described in detail with reference to the following drawings and examples:
example (b): an assembled type fender pile static pressing pile comprises an upper pile 7, a lower pile 8, a hollow steel pipe 2, a longitudinal guide groove 1, connecting steel bars 3, a grouting sleeve 4, a grouting opening 5 and a pile top monitoring point 6; the prefabricated hollow steel pipes 2 are arranged inside the upper pile 7 and the lower pile 8, and the hollow steel pipes 2 and the longitudinal bars inside the reinforced concrete pile are bound together before pouring; the inner wall of the hollow steel pipe 2 is provided with two pairs of longitudinal guide grooves 1; the longitudinal guide grooves 1 are arranged in a concave mode, and the two pairs of longitudinal guide grooves 1 are perpendicular to each other in the horizontal plane and are arranged vertically. The inclinometer probe directly extends into the fender post through the longitudinal guide groove 1 for monitoring. The periphery of the lower part terminal surface of upper portion stake 7 sets up connecting reinforcement 3, is connected with the grout sleeve 4 of the peripheral setting of 8 up end of lower part stakes, leaves slip casting mouth 5 on the grout sleeve 4 lateral wall, and 7 tops of upper portion stakes are equipped with pile bolck monitoring point 6.
The diameter of the hollow pipeline 2 in the fender post is 45-90 mm, and the hollow pipeline 2 is made of polyvinyl chloride PVC engineering plastics or aluminum alloy pipes; the upper end of the hollow steel pipe 2 is connected to the upper end face of the upper pile 7 or the lower pile 8, and the lower end of the hollow steel pipe 2 is connected to the lower end face of the upper pile 7 or the lower pile 8.
The upper pile 7 and the lower pile 8 are connected by welding or bolts, so that the connection is simple and the installation is convenient. The pile top monitoring point 6 at the top of the upper pile 7 is a steel pipe with the diameter of 5mm-10mm and the length of 100mm, and the pile top monitoring point 6 can monitor the displacement of the pile top and the settlement of the pile top.
The grouting sleeve 4 is a hollow steel pipe, the diameter of the grouting sleeve is larger than that of the connecting steel bar 3, grouting is carried out in the grouting sleeve 4 through a grouting opening 5, the diameter of the grouting opening 5 is 20-30 mm, and the distance between the grouting opening and the upper end face of the lower pile 8 is 40-50 mm; the connecting reinforcing steel bars 3 and the grouting sleeves 4 are arranged at equal intervals and correspond to each other.
The upper part of the connecting steel bar 3 is reserved with 200mm and integrally poured with the lower end of the upper pile 7, and the lower part of the connecting steel bar 3 extends out of the lower end of the upper pile 7 by 400 mm. When the upper pile 7 and the lower pile 8 are connected, the connecting steel bars 3 are inserted into the grouting sleeve 4, grouting slurry is injected into the grouting sleeve 4 through the grouting ports 5, and the connection is finished after the grouting slurry is condensed.
Claims (9)
1. The utility model provides an assembled fender pile static pressure stake which characterized in that: the pile comprises an upper pile (7), a lower pile (8), a hollow steel pipe (2), a longitudinal guide groove (1), connecting steel bars (3), a grouting sleeve (4), a grouting opening (5) and a pile top monitoring point (6); prefabricated hollow steel pipes (2) are arranged inside the upper pile (7) and the lower pile (8), and the hollow steel pipes (2) and longitudinal bars inside the reinforced concrete pile are bound together before pouring; the inner wall of the hollow steel pipe (2) is provided with two pairs of longitudinal guide grooves (1); the periphery of the lower end face of the upper pile (7) is provided with connecting steel bars (3) which are connected with a grouting sleeve (4) arranged on the periphery of the upper end face of the lower pile (8), a grouting opening (5) is reserved on the outer side wall of the grouting sleeve (4), and a pile top monitoring point (6) is arranged at the top of the upper pile (7).
2. The assembly type fender pile static pressure pile according to claim 1, characterized in that: the diameter of the hollow steel pipe (2) in the fender post is 45-90 mm, and the hollow steel pipe (2) is made of polyvinyl chloride (PVC) engineering plastics or aluminum alloy pipes.
3. An assembled fender static pressure pile according to claim 1, wherein the upper pile (7) and the lower pile (8) are connected by welding or bolts.
4. The assembly type fender pile static pressure pile according to claim 1, characterized in that: the upper end of the hollow steel pipe (2) is communicated with the upper end surface of the upper pile (7) or the lower pile (8), and the lower end of the hollow steel pipe (2) is communicated with the lower end surface of the upper pile (7) or the lower pile (8).
5. The assembly type fender pile static pressure pile according to claim 1, characterized in that: the pile top monitoring point (6) at the top of the upper pile (7) is a steel pipe with the diameter of 5mm-10mm and the length of 100mm, and the pile top monitoring point (6) can monitor the displacement of the pile top and the settlement of the pile top.
6. The assembly type fender pile static pressure pile according to claim 1, characterized in that: the grouting sleeve (4) is a hollow steel pipe, the diameter of the grouting sleeve is larger than that of the connecting steel bar (3), grouting is carried out in the grouting sleeve (4) through a grouting opening (5), the diameter of the grouting opening (5) is 20-30 mm, and the distance between the grouting opening and the upper end face of the lower pile (8) is 40-50 mm; the connecting steel bars (3) and the grouting sleeves (4) are arranged at equal intervals and correspond to each other.
7. The assembly type fender pile static pressure pile according to claim 1, characterized in that: longitudinal guide groove (1)
The two pairs of longitudinal guide grooves (1) are arranged in a concave mode, are perpendicular to each other on the horizontal plane and are arranged vertically.
8. The assembly type fender pile static pressure pile according to claim 1, characterized in that: the inclinometer probe directly extends into the fender post through the longitudinal guide groove (1) for monitoring.
9. The assembly type fender pile static pressure pile according to claim 1, characterized in that: the upper part of the connecting steel bar (3) is reserved with 200mm and integrally poured with the lower end of the upper pile (7), and the lower part of the connecting steel bar (3) extends out of the lower end of the upper pile (7) by 400 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920292382.8U CN209975503U (en) | 2019-03-08 | 2019-03-08 | Static pressing pile of assembled fender pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920292382.8U CN209975503U (en) | 2019-03-08 | 2019-03-08 | Static pressing pile of assembled fender pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975503U true CN209975503U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920292382.8U Expired - Fee Related CN209975503U (en) | 2019-03-08 | 2019-03-08 | Static pressing pile of assembled fender pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853525A (en) * | 2019-03-08 | 2019-06-07 | 沈阳建筑大学 | Stake under assembled fender post static pressure |
-
2019
- 2019-03-08 CN CN201920292382.8U patent/CN209975503U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853525A (en) * | 2019-03-08 | 2019-06-07 | 沈阳建筑大学 | Stake under assembled fender post static pressure |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |