CN210086280U - Expanded footing soil anchor rod-precast concrete composite iron tower foundation structure - Google Patents
Expanded footing soil anchor rod-precast concrete composite iron tower foundation structure Download PDFInfo
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- CN210086280U CN210086280U CN201920377132.4U CN201920377132U CN210086280U CN 210086280 U CN210086280 U CN 210086280U CN 201920377132 U CN201920377132 U CN 201920377132U CN 210086280 U CN210086280 U CN 210086280U
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Abstract
An enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure comprises an enlarged footing soil anchor rod and a precast concrete independent foundation part which are arranged in a natural foundation; the enlarged footing soil anchor rod comprises a rod body, an anticorrosive sleeve, anticorrosive grease, a bag and cement mortar, wherein the anticorrosive sleeve is sleeved on the rod body, two ends of the anticorrosive sleeve are hermetically fixed with the rod body, the anticorrosive grease is arranged in the anticorrosive sleeve and attached to the rod body, the bag is sleeved on the lower part of the rod body, an opening of the bag is upward and is hermetically fixed with the rod body, and the cement mortar is filled and cured in the bag; the independent foundation portion of precast concrete sets up in the top of bag, and its center is equipped with the reservation pore, and the upper end of the body of rod upwards passes the reservation pore to fix at the top of the independent foundation portion of precast concrete. When the iron tower foundation is built under the high underground water level geological condition and the high wind load condition of the upper iron tower structure, large-volume excavation and large-volume concrete pouring are not needed, and the method is more economical and efficient.
Description
Technical Field
The utility model relates to a building field especially relates to iron tower foundation component, especially an enlarged footing soil stock-precast concrete composite tower foundation structure.
Background
In the prior art, a cast-in-place concrete deep foundation is adopted for an iron tower structure foundation, and under the geological conditions of high underground water level and the condition that the wind load of an upper iron tower structure is large, the foundation engineering quantity is large to meet the requirements of the iron tower on overturning resistance and foundation floating resistance, so that the construction cost is high, and the location of the iron tower is difficult. Simultaneously in rainy season, the pouring of bulky concrete also can receive the influence, and then causes the scheduling problem of construction cycle length.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, a enlarged footing soil stock-precast concrete composite tower foundation structure is provided.
The purpose of the utility model can be realized by the following technical scheme: an enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure comprises an enlarged footing soil anchor rod and a precast concrete independent foundation part which are arranged in a natural foundation; the enlarged footing soil anchor rod comprises a rod body, an anticorrosive sleeve, anticorrosive grease, a bag and cement mortar, wherein the anticorrosive sleeve is sleeved on the rod body, the upper end of the anticorrosive sleeve is adjacent to the upper end of the rod body, the lower end of the anticorrosive sleeve extends to the lower end of the rod body, the upper end and the lower end of the anticorrosive sleeve are both fixed with the rod body in a sealing manner, the anticorrosive grease is arranged in the anticorrosive sleeve and is attached to the rod body, the bag is sleeved on the lower part of the rod body, the opening of the bag faces upwards and is fixed with the rod body in a sealing manner, and the cement mortar is filled and solidified in the bag; the prefabricated concrete independent foundation part is arranged above the bag, a reserved hole passage which is communicated up and down is arranged in the center of the prefabricated concrete independent foundation part, the upper end of the rod body upwards penetrates through the reserved hole passage, and the upper end of the rod body is fixed to the top of the prefabricated concrete independent foundation part through an anchoring part.
Furthermore, the rod body is composed of steel bars, at least one supporting body is respectively sleeved and fixed on the rod body at the opening of the bag, the inside of the bag and the lower end of the bag, and at least one spring is sleeved on the part of the rod body in the bag.
Furthermore, any one of the carriers respectively comprises a disk body part, a cylindrical body part and a rib plate part, the disk body part is in a disk shape, the center of the disk body part is provided with a central hole for the rod body to pass through, the outer edge of the disk body part is uniformly provided with more than two notches in number along the circumferential direction, the cylindrical body part is coaxially connected to one end face of the disk body part and sleeved on the rod body, the outer wall of the cylindrical body part is connected with more than two rib plate parts in number along the circumferential direction, and the rib plate part is vertically connected to one end face of the disk body part.
Further, the supporting body include first supporting body and second supporting body, the opening part of bag form the neck, the neck cover on anticorrosive sheathed tube lower extreme and fixed through the fastener, the upper end and the lower extreme of neck are connected with first supporting body and second supporting body respectively, first supporting body cover establish and be fixed in on the anticorrosive sheathed tube, second supporting body cover establish and be fixed in on the anticorrosive sheathed tube and set up in the bag, the inner wall of neck and the lower extreme outer wall of anticorrosive sheathed tube between pack and have the sealing material, the sealing material seal from top to bottom through first supporting body and second supporting body.
Furthermore, the lower end of the bag is connected with a fourth bearing body, and the fourth bearing body is sleeved on the lower end of the bag and then sleeved and fixed on the lower end of the rod body.
Still further, the supporting body include the third supporting body, the spring include first spring and second spring, third supporting body, first spring and second spring all set up in the sack, the third supporting body cover establish be fixed in on the body of rod and set up in the intermediate position of sack, first spring and second spring all overlap on the body of rod, first spring set up between second supporting body and third supporting body, the second spring set up between the lower extreme of third supporting body and body of rod.
Further, the rod body is a steel strand.
Furthermore, the natural foundation is respectively a mucky soil layer, a first non-mucky soil layer and a second non-mucky soil layer from top to bottom, the mucky soil layer and the first non-mucky soil layer are respectively provided with a first pore passage and a second pore passage which are communicated with each other and have the same diameter, the second non-mucky soil layer is provided with an expansion chamber communicated with the second pore passage, and the diameter of the expansion chamber is larger than that of the first pore passage and that of the second pore passage; the bearing performance of the second non-mucky soil layer is better than that of the first non-mucky soil layer, the rod body sequentially penetrates through the first hole channel and the second hole channel from top to bottom and extends to the bottom of the expansion chamber, the precast concrete independent base part is arranged in the mucky soil layer, and the top of the precast concrete independent base part is exposed out of the ground surface.
Compared with the prior art, the beneficial effects of the utility model are that: when the iron tower foundation is built under the high underground water level geological conditions and the high wind load condition of the upper iron tower structure, large-volume excavation and large-volume concrete pouring are not needed, the construction cost is low, the method is more economic and efficient, and the implementation limit is less.
Drawings
Fig. 1 is a sectional elevation view of the present invention.
Fig. 2 is a schematic structural view of the rod body and the corrosion-resistant sleeve of the enlarged footing soil anchor rod of the present invention.
Fig. 3 is a partial enlarged view of fig. 1 at 1.
Fig. 4 is a partial enlarged view of fig. 1 at 2.
Fig. 5 is a cross-sectional view corresponding to fig. 4.
Fig. 6 is a partial enlarged view of fig. 1 at 3.
Fig. 7 is a partial enlarged view of fig. 1 at 4.
Fig. 8 is a partial enlarged view of fig. 1 at E.
Fig. 9 is a front view of the carrier of the present invention.
Fig. 10 is a top view of the carrier of the present invention.
The parts in the figures are numbered as follows:
1 precast concrete independent foundation
101 reserved hole
2 rod body
3 anticorrosive sleeve pipe
4 anticorrosive grease
5 bag
501 neck part
6 Cement mortar
71 first carrier
72 second carrier
73 third carrier
74 fourth carrier
701 disc body part
702 a barrel portion
703 rib plate part
81 first spring
82 second spring
9 fastener
10 Anchor
11 sealing the material.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Referring to fig. 1, an enlarged footing soil anchor-precast concrete composite iron tower foundation structure includes an enlarged footing soil anchor disposed in a natural foundation and a precast concrete independent foundation portion 1.
The natural foundation is respectively a mucky soil layer, a first non-mucky soil layer and a second non-mucky soil layer from top to bottom, wherein the bearing performance of the first non-mucky soil layer is better than that of the mucky soil layer, and the bearing performance of the second non-mucky soil layer is better than that of the first non-mucky soil layer; the mucky soil layer and the first non-mucky soil layer are respectively provided with a first pore passage and a second pore passage which are communicated with each other and have the same diameter, the second non-mucky soil layer is provided with an expansion chamber communicated with the second pore passage, and the diameter of the expansion chamber is larger than that of the first pore passage and that of the second pore passage.
The enlarged footing soil anchor rod comprises a rod body 2, an anticorrosive sleeve 3, anticorrosive grease 4, a bag 5 and cement mortar 6; the rod body 2 sequentially penetrates through the first pore channel and the second pore channel from top to bottom and extends to the bottom of the expansion chamber, the rod body 2 can be a steel bar or a steel strand, referring to fig. 2, the part of the rod body 2 corresponding to the expansion chamber is an anchoring section, and the rest part of the rod body 2 is a free section; the anticorrosion sleeve 3 is sleeved on the rod body 2, the upper end of the anticorrosion sleeve 3 is arranged close to the upper end of the rod body 2, the lower end of the anticorrosion sleeve 3 extends into an expansion chamber, two ends of the anticorrosion sleeve 3 are both tightly pressed on the surface of the rod body 2, and the anticorrosion sleeve 3 is fixed, fig. 3 shows a connection structure of the upper end of the anticorrosion sleeve 3 and the rod body 2, see fig. 4 and fig. 5, anticorrosion grease 4 attached to the rod body 2 is arranged in the anticorrosion sleeve 3, and structures at two ends of the anticorrosion sleeve 3 play a role in sealing the anticorrosion grease 4; the bag 5 is sleeved at the lower part of the rod body 2 and is arranged in the expansion chamber, and the opening of the bag 5 is upwards arranged and is sealed and fixed with the rod body 2; the cement mortar 6 is injected into the first pore passage, the second pore passage, the expansion chamber and the bag 5 to realize anchoring, so that the part of the expanded headwall anchor rod corresponding to the first pore passage and the second pore passage forms an expanded headwall anchor rod section, and the part of the expanded headwall anchor rod corresponding to the expansion chamber forms an expanded headwall anchor rod expansion head section.
In this embodiment, the rod body 2 is made of steel bars, and a supporting body and a spring are required to be added to improve the anchoring effect of the rod body 2 in the cement mortar 6, so that the cement mortar anchoring device further comprises the supporting body and the spring, more than one supporting body can be respectively arranged at the opening, the inside and the lower end of the corresponding pocket 5 on the rod body 2, and more than one spring can be arranged at the inside of the corresponding pocket 5 on the rod body 2. Referring to fig. 6, a neck 501 is formed at an opening of the pouch 5, the neck 501 is sleeved on the lower end of the corrosion-resistant sleeve 3 and fixed by a fastener 9, the upper end and the lower end of the neck 501 are respectively connected with a first bearing body 71 and a second bearing body 72, the first bearing body 71 is sleeved and fixed on the corrosion-resistant sleeve 3, the second bearing body 72 is sleeved and fixed on the corrosion-resistant sleeve 3 and arranged in the pouch 5, a sealing material 11 is filled between the inner wall of the neck 501 and the outer wall of the lower end of the corrosion-resistant sleeve 3, and the sealing material 11 is sealed up and down by the first bearing body 71 and the second bearing body 72. Referring to fig. 1 and 7, a third supporting body 73, a first spring 81 and a second spring 82 are arranged in the capsular bag 5, the third supporting body 73 is fixedly sleeved on the rod body 2 and is arranged at the middle position of the capsular bag 5, the first spring 81 and the second spring 82 are both sleeved on the rod body 2, the first spring 81 is arranged between the second supporting body 72 and the third supporting body 73, and the second spring 82 is arranged between the third supporting body 73 and the lower end of the rod body 2. Referring to fig. 8, the lower end of the bag 5 is connected with a fourth supporting body 74, the fourth supporting body 74 is sleeved on the lower end of the bag 5 and then fixed on the lower end of the rod 2, and the fourth supporting body 74 is also abutted against the bottom surface of the expansion chamber.
The structure of any one of the carriers is shown in fig. 9 and 10, and each of the carriers includes a disk body 701, a cylindrical body 702, and a rib plate 703, the disk body 701 is disk-shaped, a central hole for the rod body 2 to pass through is formed in the center of the disk body 701, more than two notches are uniformly distributed on the outer edge of the disk body 701 along the circumferential direction, the cylindrical body 702 is coaxially connected to one end face of the disk body 701 and sleeved on the rod body 2, more than two rib plate 703 uniformly distributed along the circumferential direction are connected to the outer wall of the cylindrical body 702, and the rib plate 703 is vertically connected to one end face of the disk body 701. In this embodiment, the number of the notches and the rib portions 703 of the disk body 701 is four.
Referring to fig. 1, the precast concrete independent foundation portion 1 is arranged in a mucky soil layer, the top of the precast concrete independent foundation portion is exposed out of the ground surface, a reserved hole passage 101 which corresponds to a first hole passage and is vertically communicated with the first hole passage is arranged in the center of the precast concrete independent foundation portion 1, the upper portion of the enlarged footing soil anchor rod upwards penetrates into the reserved hole passage 101, and the upper end of a rod body 2 of the enlarged footing soil anchor rod upwards penetrates through the reserved hole passage 101 and is fixed to the top of the precast concrete independent foundation portion 1 through an anchoring part 10.
During construction, after the earth surface is excavated downwards to the designed buried depth of the precast concrete independent foundation part 1, the earth surface is drilled downwards to the designed depth of the top surface of the enlarged head soil anchor rod enlarged head section, the high-pressure cement slurry hole expanding technology is adopted to continuously drill downwards to the designed depth of the bottom surface of the enlarged head soil anchor rod enlarged head section, and meanwhile, the mud wall protection process of the enlarged head soil anchor rod enlarged head section is completed to form an enlarged chamber. And then, lowering the rod body 2 and the bag 5 to the bottom of the expansion chamber, injecting cement mortar 6 into the bag 5 until the bag 5 is completely opened, injecting the cement mortar 6 into the rod body section of the expanded head soil anchor rod, and finishing the construction of the expanded head soil anchor rod after maintenance. And finally, lowering the precast concrete independent foundation part 1, enabling the upper part of the expanded head soil anchor rod to penetrate through a reserved hole channel 101 reserved in the precast concrete independent foundation part 1, fixing the upper end of a rod body 2 of the expanded head soil anchor rod on the top of the precast concrete independent foundation part 1 through an anchoring part 10, and backfilling the soil, so that the construction of the expanded head soil anchor rod-precast concrete independent foundation part 1 composite iron tower foundation is completed.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (8)
1. An enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure is characterized by comprising an enlarged footing soil anchor rod and a precast concrete independent foundation part which are arranged in a natural foundation; the enlarged footing soil anchor rod comprises a rod body, an anticorrosive sleeve, anticorrosive grease, a bag and cement mortar, wherein the anticorrosive sleeve is sleeved on the rod body, the upper end of the anticorrosive sleeve is adjacent to the upper end of the rod body, the lower end of the anticorrosive sleeve extends to the lower end of the rod body, the upper end and the lower end of the anticorrosive sleeve are both fixed with the rod body in a sealing manner, the anticorrosive grease is arranged in the anticorrosive sleeve and is attached to the rod body, the bag is sleeved on the lower part of the rod body, the opening of the bag faces upwards and is fixed with the rod body in a sealing manner, and the cement mortar is filled and solidified in the bag; the prefabricated concrete independent foundation part is arranged above the bag, a reserved hole passage which is communicated up and down is arranged in the center of the prefabricated concrete independent foundation part, the upper end of the rod body upwards penetrates through the reserved hole passage, and the upper end of the rod body is fixed to the top of the prefabricated concrete independent foundation part through an anchoring part.
2. The enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure of claim 1, wherein the rod body is made of steel bars, at least one supporting body is respectively sleeved and fixed on the rod body at the opening of the bag, inside the bag and at the lower end of the bag, and at least one spring is sleeved on the part of the rod body in the bag.
3. The enlarged footing soil anchor-precast concrete composite tower foundation structure of claim 2, wherein any one of the supporting bodies comprises a disk body, a cylindrical body and rib plates, the disk body is disc-shaped, the center of the disk body is provided with a central hole for the rod body to pass through, the outer edge of the disk body is circumferentially and uniformly provided with more than two notches, the cylindrical body is coaxially connected to one end face of the disk body and sleeved on the rod body, the outer wall of the cylindrical body is connected with more than two circumferentially and uniformly distributed rib plates, and the rib plates are vertically connected to one end face of the disk body.
4. The enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure of any one of claims 2-3, wherein the supporting body comprises a first supporting body and a second supporting body, a neck is formed at the opening of the bag, the neck is sleeved on the lower end of the corrosion-resistant sleeve and fixed through a fastener, the upper end and the lower end of the neck are respectively connected with the first supporting body and the second supporting body, the first supporting body is sleeved and fixed on the corrosion-resistant sleeve, the second supporting body is sleeved and fixed on the corrosion-resistant sleeve and arranged in the bag, a sealing material is filled between the inner wall of the neck and the outer wall of the lower end of the corrosion-resistant sleeve, and the sealing material is sealed up and down through the first supporting body and the second supporting body.
5. The enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure of claim 4, wherein the lower end of the bag is connected with a fourth supporting body, and the fourth supporting body is sleeved on the lower end of the bag and then sleeved and fixed on the lower end of the rod body.
6. The enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure of claim 5, wherein the supporting body comprises a third supporting body, the spring comprises a first spring and a second spring, the third supporting body, the first spring and the second spring are all arranged in the pocket, the third supporting body is sleeved and fixed on the rod body and is arranged in the middle of the pocket, the first spring and the second spring are all sleeved on the rod body, the first spring is arranged between the second supporting body and the third supporting body, and the second spring is arranged between the third supporting body and the lower end of the rod body.
7. The enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure of claim 1, wherein the rod body is a steel strand.
8. The enlarged footing soil anchor rod-precast concrete composite iron tower foundation structure of claim 1, wherein the natural foundation is a mucky soil layer, a first non-mucky soil layer and a second non-mucky soil layer from top to bottom, the mucky soil layer and the first non-mucky soil layer are respectively provided with a first pore passage and a second pore passage which are communicated with each other and have the same diameter, the second non-mucky soil layer is provided with an enlarged chamber communicated with the second pore passage, and the diameter of the enlarged chamber is larger than the diameter of the first pore passage and the second pore passage; the bearing performance of the second non-mucky soil layer is better than that of the first non-mucky soil layer, the rod body sequentially penetrates through the first hole channel and the second hole channel from top to bottom and extends to the bottom of the expansion chamber, the precast concrete independent base part is arranged in the mucky soil layer, and the top of the precast concrete independent base part is exposed out of the ground surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377132.4U CN210086280U (en) | 2019-03-25 | 2019-03-25 | Expanded footing soil anchor rod-precast concrete composite iron tower foundation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377132.4U CN210086280U (en) | 2019-03-25 | 2019-03-25 | Expanded footing soil anchor rod-precast concrete composite iron tower foundation structure |
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| CN210086280U true CN210086280U (en) | 2020-02-18 |
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| CN201920377132.4U Active CN210086280U (en) | 2019-03-25 | 2019-03-25 | Expanded footing soil anchor rod-precast concrete composite iron tower foundation structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188335A (en) * | 2020-02-22 | 2020-05-22 | 深圳钜联锚杆技术有限公司 | Supporting body anchor rod and supporting body anchor rod with bag |
| CN112796341A (en) * | 2021-01-29 | 2021-05-14 | 国网冀北电力有限公司廊坊供电公司 | Narrow base steel pipe column plate formula prestressing force pressure-bearing type stock structure of transmission line |
| WO2022011913A1 (en) * | 2020-05-06 | 2022-01-20 | 江苏景源万河环境科技有限公司 | Prestressed unbonded anchor bolt rebar, anchor bolt, and construction method |
-
2019
- 2019-03-25 CN CN201920377132.4U patent/CN210086280U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188335A (en) * | 2020-02-22 | 2020-05-22 | 深圳钜联锚杆技术有限公司 | Supporting body anchor rod and supporting body anchor rod with bag |
| WO2022011913A1 (en) * | 2020-05-06 | 2022-01-20 | 江苏景源万河环境科技有限公司 | Prestressed unbonded anchor bolt rebar, anchor bolt, and construction method |
| CN112796341A (en) * | 2021-01-29 | 2021-05-14 | 国网冀北电力有限公司廊坊供电公司 | Narrow base steel pipe column plate formula prestressing force pressure-bearing type stock structure of transmission line |
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