CN217150157U - Dynamic compaction foundation column hammer - Google Patents
Dynamic compaction foundation column hammer Download PDFInfo
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- CN217150157U CN217150157U CN202220068975.8U CN202220068975U CN217150157U CN 217150157 U CN217150157 U CN 217150157U CN 202220068975 U CN202220068975 U CN 202220068975U CN 217150157 U CN217150157 U CN 217150157U
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Abstract
The utility model discloses a dynamic compaction foundation pile hammer, include: a columnar body; the bottom surface with a larger area is arranged on the columnar body, the bottom surface with a smaller area is arranged upwards, and the diameter of the bottom surface of the frustum body is the same as that of the columnar body; the bottom surface of the conical body is arranged on the cylindrical body, the tip part of the conical body faces downwards, and the diameter of the bottom surface of the conical body is the same as that of the cylindrical body; the axial centers of the frustum body, the cylindrical body and the conical body are on the same straight line, the height of the conical body is greater than that of the frustum body, and the weight of the conical body is greater than that of the frustum body; a hammer tip breaking part arranged at the lower part of the cone body; the ribs are uniformly distributed on the outer contour surfaces of the frustum body, the cylindrical body and the conical body along the axial center; and the hoisting seat is arranged on the frustum body. The utility model discloses can improve the crowded compact compressibility of soil body foundation treatment to containing the rock, can improve ground soil bearing capacity.
Description
Technical Field
The utility model relates to a building foundation construction field, in particular to dynamic compaction foundation column hammer.
Background
The combined hammer dynamic compaction foundation is characterized in that a hoisting machine is used for hoisting rammers (column hammers, middle hammers and flat hammers) to a certain height, the rammers fall down freely to form rammed pits with strong impact energy for foundation soil, and after the rammers are repeatedly tamped, soil layers are forced to be solidified, so that the bearing capacity of the foundation is improved. The foundation treatment method comprises the steps of performing column hammer point ramming for the first time, performing middle hammer point ramming for the second time and performing full ramming by a flat hammer for the last time, and repeatedly ramming and sinking feeding by different hammer types to enable the original unconsolidated soil to be compacted and compressed so as to improve the bearing capacity of the base soil. However, the column hammer is a cylinder, the method is not suitable for all soil qualities, the earth is formed by peak clipping and valley filling aiming at the mountain depression at the original place of the field, the inner layer of the earth is filled with a large amount of rock blocks with different particle sizes, the compressibility is high, the bearing capacity is low, the surface layer of the earth is sandy soil which is tightly solidified, the compressibility is low, the bearing capacity is high, only the shallow layer of the earth can be compacted by the traditional combined hammer dynamic compaction method, the deep layer of the earth still has high compressibility, and the structure safety is damaged in the later period.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a dynamic compaction foundation column hammer is provided to when solving traditional combination hammer dynamic compaction displacement method and acting on thick filling and forming the dynamic compaction foundation, thick filling nexine banket is mingled with a large amount of rocks and is leaded to the column hammer in the rammer to be difficult to pierce through the unable self-compaction of deep filling and is difficult to the problem that the compaction compression can't improve the ground soil bearing capacity.
In order to solve the technical problem, the utility model provides a technical scheme is: a dynamic compaction foundation column hammer, comprising:
a columnar body;
the bottom surface with a larger area is arranged on the columnar body, the bottom surface with a smaller area is arranged upwards, and the diameter of the bottom surface of the frustum body is the same as that of the columnar body;
the bottom surface of the conical body is arranged on the cylindrical body, the tip part of the conical body faces downwards, and the diameter of the bottom surface of the conical body is the same as that of the cylindrical body; the axial centers of the frustum body, the cylindrical body and the conical body are on the same straight line, the height of the conical body is greater than that of the frustum body, and the weight of the conical body is greater than that of the frustum body;
a hammer tip breaking part arranged at the lower part of the cone body;
the ribs are uniformly distributed on the outer contour surfaces of the frustum body, the cylindrical body and the conical body along the axial center;
and the hoisting seat is arranged on the frustum body.
Further, the utility model provides a dynamic compaction foundation column hammer, frustum body, columnar body and the cone body are the solid structure.
Further, the utility model provides a dynamic compaction foundation column hammer, frustum body, columnar body and the cone are hollow structure, fill plain concrete, cast iron concrete or metal material in it with hollow structure's frustum body, columnar body and cone form the entity structure.
Further, the utility model provides a dynamic compaction foundation column hammer, the column body is the cylinder, the frustum body is the circular cone, the frustum body is the cone.
Further, the utility model provides a dynamic compaction foundation column hammer, the column body is the square column body, the frustum body is the square frustum, the frustum body is the square cone, the diameter is the inscribed circle diameter.
Further, the utility model provides a dynamic compaction foundation column hammer, frustum body, the column body and the cone form syllogic mosaic structure.
Further, the utility model provides a dynamic compaction foundation column hammer, it is adjacent angle between the rib is 30 degrees to 60 degrees.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides a dynamic compaction ground column hammer, column hammer in traditional rammer is improved to middle part column shape by the cylinder shape, then set up frustum body and cone from top to bottom respectively at middle part column, then the cone that is located the lower part can greatly alleviate the down resistance of column hammer when the column hammer sinks, thereby increase bottom pressure can pierce through easily concreties closely knit top layer grit and fill up simultaneously, realize the reinforcement to deeper soil under the condition of same ramming ability, in order to realize carrying out the purpose of tamping the ground to the soil body that contains the rock, can improve the crowded compact compressibility to the soil body ground treatment that contains the rock, can improve ground soil bearing capacity. The frustum body positioned at the upper part of the middle columnar body can reduce the contact surface with the soil body in the tamping and sinking process, and is convenient for pulling the hammer. Wherein the column body can be conveniently connected with the frustum body and the cone body.
The utility model provides a dynamic compaction foundation column hammer breaks the portion of removing through the hammer point for broken stone is in order to improve the crowded compressibility of foundation soil, and on the other hand can also protect the point portion of the cone.
The utility model provides a dynamic compaction foundation column hammer through the hammer operation of pulling out of the rib convenient dynamic compaction foundation column hammer after sinking the soil body, avoids pulling out the hammer difficulty.
The utility model provides a dynamic compaction foundation column hammer, the weight of frustum is greater than the weight of frustum body to make the whole focus of dynamic compaction foundation column hammer concentrate on the lower part on the side of the frustum body, can reduce the dynamic compaction foundation column hammer and produce crooked after whereabouts in-process and the entering soil body, save the time of later stage accent hammer.
Drawings
FIG. 1 is a schematic structural diagram of a dynamic compaction foundation column hammer in a front view;
FIG. 2 is a schematic structural diagram of a top view of the dynamic compaction foundation column hammer;
shown in the figure:
100. the dynamic compaction foundation column hammer comprises a dynamic compaction foundation column hammer 101, a column body 102, a cone body 103, a frustum body 104, a hammer tip breaking part 105, a hoisting seat 106 and ribs.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings: the advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention provides a dynamic compaction foundation column hammer 100, including a column 101, a frustum 102, a cone 103, a hammer tip breaking portion 104, and a rib 105, wherein:
the columnar body 101 may be a cylindrical body or a square column.
The bottom surface with a larger area is arranged on the columnar body 101, the bottom surface with a smaller area is arranged upwards, and the diameter of the bottom surface of the frustum body 103 is the same as that of the columnar body 101. When a square cylinder, the diameter is the inscribed circle diameter.
A conical body 102, the bottom surface of which is arranged on the cylindrical body 101, the tip part of which is downward, and the diameter of the bottom surface of the conical body 102 is the same as that of the cylindrical body 101; the axial centers of the frustum 103, the cylindrical body 101 and the conical body 102 are on the same straight line, the height of the conical body 102 is greater than that of the frustum 103, and the weight of the conical body 102 is greater than that of the frustum 103.
And a hammer tip breaking part 104 provided at a lower part of the cone 102.
And the ribs 106 are uniformly distributed on the outer contour surfaces of the frustum body 103, the cylindrical body 101 and the conical body 102 along the axial center.
And the hoisting seat 105 is arranged on the frustum body 103. Used for being connected with hoisting equipment.
Wherein the frustum body 103, the columnar body 101 and the conical body 102 are solid structures. May be an integrally formed solid structure. The solid structure may also be constructed in the following manner. The frustum body 103, the column body 101 and the cone body 102 can be hollow structures, and plain concrete, cast iron concrete or metal materials are poured into the hollow structures to form solid structures with the frustum body 103, the column body 101 and the cone body 102.
Please refer to fig. 1, the embodiment of the present invention provides a dynamic compaction foundation column hammer 100, the column hammer in the traditional rammer is improved into the shape of middle column 101 by the cylinder shape, then the middle column 101 is respectively provided with frustum 103 and frustum 102, then the frustum 102 located at the lower part can greatly reduce the downward resistance of the column hammer when the column hammer sinks, thereby increasing the bottom pressure and easily penetrating the consolidated dense top layer sandstone filling, the consolidation of deeper soil is realized under the same ramming energy condition, in order to realize the purpose of ramming the soil body containing rock blocks into the foundation, the compaction compressibility of the soil body foundation treatment containing rock blocks can be improved, and the foundation soil bearing capacity can be improved. The frustum body 103 positioned at the upper part of the middle columnar body 101 can reduce the contact surface with the soil body in the tamping and sinking process, and is convenient for hammer pulling. Wherein the cylindrical body 101 can be conveniently connected with the frustum 103 and the conical body 102.
Referring to fig. 1, a dynamic compaction foundation column hammer 100 according to an embodiment of the present invention is configured to break stone blocks to improve compaction compressibility of foundation soil through a hammer tip breaking portion 104, and on the other hand, can protect a tip portion of a cone 102.
Referring to fig. 1 to 2, in the dynamic compaction foundation column hammer 100 according to the embodiment of the present invention, the rib 106 facilitates the hammer pulling operation of the dynamic compaction foundation column hammer 100 after sinking to the soil body, so as to avoid the difficulty in hammer pulling.
The embodiment of the utility model provides a dynamic compaction foundation column hammer 100, the weight of frustum body 102 is greater than the weight of frustum body 103 to make the whole focus of dynamic compaction foundation column hammer 100 concentrate on the lower part of a side of frustum body 102, can reduce dynamic compaction foundation column hammer 100 and produce crooked under the in-process that falls and get into behind the soil body, save the time of later stage accent hammer.
Referring to fig. 1, in the dynamic compaction foundation column hammer 100 according to the embodiment of the present invention, the column 101 may be a cylinder, the corresponding frustum 103 is a truncated cone, and the corresponding frustum 102 is a cone.
As an improvement, the embodiment of the utility model provides a dynamic compaction foundation column hammer 100, columnar body 101 is the square column body, corresponds frustum body 103 is the square frustum, corresponds frustum body 102 is the square cone, this moment the diameter is the inscribed circle diameter.
For convenient transport and transportation dynamic compaction foundation column hammer 100, the embodiment of the utility model provides a dynamic compaction foundation column hammer 100, frustum body 103, columnar body 101 and conical body 102 form syllogic mosaic structure.
Referring to fig. 2, in order to improve the hammer pulling effect, the angle between adjacent ribs 106 of the dynamic compaction foundation column hammer of the present invention is 30 to 60 degrees.
The embodiment of the utility model provides a dynamic compaction foundation column hammer 100 solves former traditional combination hammer and tamps the replacement method by force and acts on mountain area thick filling, and the nexine filling is mingled with the unable self-compaction of a large amount of rock pieces and the consolidation of top layer gravel soil is closely difficult to the not high, the operation difficulty of ground processing suitability, the not good problem of effect of crowded compact compression. That is to say, the utility model is suitable for a mountain area, but not limited to the mountain area, all be suitable for with the thick filling tamped ground of a large amount of rocks in the soil body.
The two rammer forms in the test area are analyzed and compared by adopting detection methods such as actual measurement, deep dynamic sounding, shallow flat plate detection and the like.
In the aspect of action and effect:
adopting a column hammer with the same weight of 15t to reinforce the soil body, and obtaining the following data from average ramming settlement detection data: the ramming amount of the common column hammer under three impacts on the reinforced soil body reaches 75 percent of that of the dynamic compaction foundation column hammer of the embodiment of the utility model; the five-stroke dynamic compaction foundation column hammer of the embodiment of the utility model is reached 71%; can only reach under eight hits the utility model discloses the dynamic compaction foundation column hammer of embodiment's 59%. According to deep dynamic penetration detection data, the common column hammer has a good compaction effect on shallow soil, but when the treatment depth of the soil reaches 12 m or more, the bearing capacity of the treated soil foundation is only 80% of that of the special-shaped hammer. Combine the dull and stereotyped data that detect of shallow layer, the utility model discloses the consolidation effect of deep soil after dynamic compaction foundation column hammer is handled is better than ordinary column hammer in order.
In the aspects of construction period and economy:
with the different test area (length 20m, wide 20m) operation in same place completion back analysis compare, adopt conventional combination hammer need 4 days to handle the completion, pass through the utility model discloses a dynamic compaction foundation column hammer and well hammer, flat hammer combination hammer need 3 days, consequently, adopt the utility model discloses a dynamic compaction foundation column hammer's combination hammer treatment effect is good, the time limit for a project has also shortened 25%, has obvious advantage.
The present invention is not limited to the above specific embodiments, and obviously, the above described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention. Other levels of modification and variations of the present invention will occur to those skilled in the art. Thus, if such modifications and variations of the present invention fall within the scope of the claims, then it is intended that the present invention also include such modifications and variations.
Claims (7)
1. The utility model provides a dynamic compaction foundation column hammer which characterized in that includes:
a columnar body;
the bottom surface with a larger area is arranged on the columnar body, the bottom surface with a smaller area is arranged upwards, and the diameter of the bottom surface with the larger area of the frustum body is the same as that of the columnar body;
the bottom surface of the conical body is arranged on the cylindrical body, the tip part of the conical body faces downwards, and the diameter of the bottom surface of the conical body is the same as that of the cylindrical body; the axial centers of the frustum body, the cylindrical body and the conical body are on the same straight line, the height of the conical body is greater than that of the frustum body, and the weight of the conical body is greater than that of the frustum body;
a hammer tip breaking part arranged at the lower part of the cone body;
the ribs are uniformly distributed on the outer contour surfaces of the frustum body, the cylindrical body and the conical body along the axial center;
and the hoisting seat is arranged on the frustum body.
2. The dynamic compaction foundation column hammer of claim 1, wherein the frustum body, the cylinder body, and the cone body are solid structures.
3. The dynamic compaction foundation column hammer of claim 1, wherein the frustum body, the column body and the cone body are hollow structures, and plain concrete, cast iron concrete or metal materials are filled in the hollow structures to form solid structures with the frustum body, the column body and the cone body of the hollow structures.
4. The dynamic compaction foundation column hammer of claim 1, wherein the column is a cylinder, the frustum is a cone, and the cone is a cone.
5. The dynamic compaction foundation column hammer of claim 1, wherein the column is a square column, the frustum body is a square frustum, the frustum body is a square cone, and the diameter is an inscribed circle diameter.
6. The dynamic compaction foundation column hammer of claim 1, wherein the frustum body, the cylindrical body, and the conical body form a three-segment splice structure.
7. The dynamic compaction foundation column hammer of claim 1, wherein an angle between adjacent ribs is 30 to 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220068975.8U CN217150157U (en) | 2022-01-12 | 2022-01-12 | Dynamic compaction foundation column hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220068975.8U CN217150157U (en) | 2022-01-12 | 2022-01-12 | Dynamic compaction foundation column hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217150157U true CN217150157U (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220068975.8U Active CN217150157U (en) | 2022-01-12 | 2022-01-12 | Dynamic compaction foundation column hammer |
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| Country | Link |
|---|---|
| CN (1) | CN217150157U (en) |
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2022
- 2022-01-12 CN CN202220068975.8U patent/CN217150157U/en active Active
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