CN211646459U - One-time pouring decorative concrete retaining wall structure for wading - Google Patents
One-time pouring decorative concrete retaining wall structure for wading Download PDFInfo
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- CN211646459U CN211646459U CN201922434910.1U CN201922434910U CN211646459U CN 211646459 U CN211646459 U CN 211646459U CN 201922434910 U CN201922434910 U CN 201922434910U CN 211646459 U CN211646459 U CN 211646459U
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Abstract
The utility model discloses a one-time wading decorative concrete retaining wall structure, which comprises a concrete base and a concrete wall, wherein the concrete wall extends upwards from the middle part of the concrete base, the concrete base is divided into an inner wading part and an outer extension part by taking the concrete wall as a boundary, the inner wading part is level with a pool bottom base layer, and a waterproof layer and a scattered paving gravel layer are arranged on the inner wading part and the outer wading part; the concrete base and the concrete wall are integrally formed by a steel reinforcement cage framework and concrete pouring, wherein decorative textures are arranged on the surface of the wading side of the concrete wall. According to the utility model discloses a wade retaining wall structure and construction process, decorative surface layer adopts once only to pour with the wall body main part and forms, and structural strength is high, and decorative effect is strong and the durability is high, construction process is simple.
Description
Technical Field
The utility model relates to a building field, concretely relates to disposable decorative concrete retaining wall structure and construction process of pouring of wading.
Background
In the field of outdoor landscapes, water systems and landscape rivers often have certain proportion in landscapes, the height of a retaining wall is usually higher and reaches more than 1.5 meters, and at present, the construction methods of the wading retaining wall with the landscaped wall function are divided into two types, namely stone building and building, and finished blanks (capable of being bricked and capable of being poured by concrete) and then veneering treatment. The two construction methods have certain defects, firstly, along with the higher and higher national requirements on environmental protection, the application of a large amount of stone materials does not meet the national requirements on environmental protection and sustainable development; secondly, the method of making a green-type veneer has a certain problem in durability. How to solve the problems of strong decorative effect and good durability? The problems can be perfectly solved by researching a structure and a construction method of the wading one-time pouring decorative concrete retaining wall.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an in order to overcome the not enough among the above-mentioned prior art, provide wading once only and pour decorative concrete retaining wall structure and construction process.
According to the first aspect of the utility model, a wading one-time pouring decorative concrete retaining wall structure is provided, which comprises a concrete base and a concrete wall body, wherein the concrete wall body extends upwards from the middle part of the concrete base, the concrete base is divided into an inner wading part and an outer extension part by taking the concrete wall body as a boundary, the inner wading part is flush with a pool bottom base layer, and a waterproof layer and a scattered paving gravel layer are arranged on the inner wading part and the outer wading part; the concrete base and the concrete wall are integrally formed by a steel reinforcement cage framework and concrete pouring, wherein decorative textures are arranged on the surface of the wading side of the concrete wall.
Preferably, a triangular reinforced concrete part is arranged at the junction of the outer extension part and the concrete wall body, and diagonal steel bars with two ends fixed with the steel reinforcement cage frameworks in the concrete base and the concrete wall body are arranged in the triangular reinforced concrete part.
Preferably, a waterproof blanket layer is preset on the side, facing the wading, of the reinforcement cage framework of the concrete wall.
According to the utility model discloses a second aspect provides a disposable decorative concrete retaining wall construction process of pouring of wading. The method comprises the following steps:
(1) excavating a foundation pit of a retaining wall base, wherein the plain soil rolling compaction coefficient is more than or equal to 0.93;
(2) pouring a reinforced concrete base, and reserving a reinforcing steel bar head for binding a wall reinforcement cage upwards on the concrete base;
(3) binding an upwardly extending wall reinforcement cage from the position of a reserved reinforcement head on the concrete base;
(4) covering a waterproof blanket on the wall reinforcement cage on the wading side, and fixing;
(5) erecting a structural template around a wall reinforcement cage, and adhering a decorative template which is sprayed to form a demolding layer on the structural template of which the decorative surface needs to be exposed; wherein, the texture surface of the decorative template is sprayed with a release agent, and a release layer is formed on the texture surface of the decorative template;
(6) pouring concrete, wherein the concrete needs to be poured in layers, each layer of concrete needs to be sufficiently vibrated, the next layer of concrete is poured immediately after the sufficient vibration, a concrete wall body is formed after the pouring is finished, and the top surface is finished into a smooth surface or is subjected to decoration treatment according to design requirements; the color of the concrete meets the design requirement;
(7) removing the mold after the concrete is initially set, and repairing if the adhesion problem exists after the mold is removed, so as to ensure the decorative effect;
(8) after the concrete is finally set, if the design needs, carrying out chemical coloring treatment;
(9) and spraying a waterproof protective agent after the concrete is finally set.
In the step (5), if the decorative surface layer needs sand washing effect, a passivating agent needs to be sprayed on the decorative template sprayed with the release agent to form a passive film. The passive film has the function of retarding coagulation, and sand washing operation can be smoothly carried out after the mould is removed, so that a specific sand washing decorative effect is achieved.
Preferably, a diagonal steel bar is further arranged at the junction of the base and the right side of the wall body steel reinforcement cage, and a triangular reinforced concrete connecting structure is poured. The two ends of the diagonal draw steel bars are respectively fixed with the steel reinforcement cage frameworks in the concrete base and the concrete wall body, and concrete is integrally poured with the concrete wall body to form a triangular reinforced concrete part, so that the connection strength between the base and the wall body is enhanced.
The inventor calculates through strict structural mechanics (refer to the design Specification of Hydraulic retaining wall)
The design specification of hydraulic concrete structures, the design specification of hydraulic building loads, the design specification of building foundation foundations, the building structure static force calculation manual, and the like are optimized for ensuring the structural stability of the wading retaining wall when the height is 1.5-4 m. Wherein the height of concrete base is: 0.3-0.4m, 0.8-1.0m of foundation burial depth, 0.2-0.3 of wall height of the concrete foundation extending out of one side of the concrete foundation facing the wading, and 0.6-0.8 of wall height of the concrete foundation extending out of the other side of the concrete foundation.
In a specific case, the top surface decoration treatment in the step (6) may be a stamping treatment, a sand washing treatment, a bone exposing treatment, a glass aggregate treatment or the like according to specific landscape requirements.
In addition, in a preferred scheme of the utility model, adopt special prevention of seepage concrete to replace ordinary concrete placement concrete wall. When preparing special impermeable concrete, 52.5 is selected#Cement with fineness modulus muf2.6-2.8 river sand, crushed stone with the particle size of 5-25 mm, LEX-9H polycarboxylic acid high-efficiency water reducing agent and special admixture30-80% of cement in the common concrete is replaced by the cement, and the water-cement ratio is 0.3-0.4. The special admixture comprises a compound of granulated blast furnace slag, fly ash and silica fume in a mass ratio of 1:1:1, and the particle sizes of the three components are all below 200 mu m.
According to laboratory detection, the carbonization resistance, the impermeability, the frost resistance and the chloride ion permeation resistance of the special impermeable concrete are improved to different degrees compared with the common concrete, because the granulated blast furnace slag, the fly ash, the silica fume and other multi-element mineral blended materials achieve the maximization of a positive effect under the action of micro-aggregate effect compounding, volcanic ash effect compounding, morphological effect compounding and interface effect interaction compounding, cooperate with cement to form a quaternary composite gelling system, and are beneficial to the formation of good micro-gradation of the concrete, so that the internal pore structure of the concrete is compact or curved, a permeation path is blocked or prolonged, and the macroscopic performance of the concrete is improved.
When the special impermeable concrete is adopted to cast the concrete wall, the step (4) in the construction process can be omitted, namely, the waterproof blanket does not need to be covered on the reinforcement cage of the wall, thereby further simplifying the process.
According to the utility model discloses a wade retaining wall structure and construction process, decorative surface layer adopts once only to pour with the wall body main part and forms, and structural strength is high, and decorative effect is strong and the durability is high, construction process is simple.
Drawings
Fig. 1 is a schematic view of the structure of the wading one-time pouring decorative concrete retaining wall in embodiment 1 of the present invention.
Fig. 2 is the structural schematic diagram of the wading one-time pouring decorative concrete retaining wall in embodiment 2 of the present invention.
Detailed Description
In order to fully explain the characteristics of the present invention and the manner of practicing the invention, examples are given below. The raw materials used in the following examples may be commercially available materials unless otherwise specified.
Example 1
Referring to fig. 1, the one-time pouring decorative concrete retaining wall structure for wading comprises a concrete base 1 and a concrete wall body 2, wherein the concrete wall body 2 extends upwards from the middle of the concrete base 1. The left side (wading side) of the concrete wall body 2 is a pool or a river channel, and the right side is a soil layer 8.
The concrete base 1 is divided into an inner wading part 11 and an outer extension part 12 by taking a concrete wall body 2 as a boundary, the inner wading part 11 is flush with the pool bottom foundation layer 3, and a waterproof layer 4 and a scattered paving gravel layer 5 are arranged on the inner wading part 11 and the pool bottom foundation layer. The concrete base 1 and the concrete wall 2 are respectively provided with a base steel reinforcement cage 13 and a wall steel reinforcement cage 21, one wading side of the wall steel reinforcement cage 21 is covered with a waterproof blanket 24, and the surface of one wading side of the concrete wall 2 is provided with decorative textures 23.
A triangular reinforced concrete part 9 is arranged at the junction of the outer extension part 12 of the concrete base 1 and the concrete wall 2, and diagonal draw steel bars 91 with two ends respectively fixed with the base steel reinforcement cage 13 and the wall steel reinforcement cage 21 are arranged in the triangular reinforced concrete part 9.
The height of the concrete wall 2 can be 1.5-4 m, and in this case, the height of the concrete base 1 is as follows: 0.3-0.4m, the foundation burial depth is 0.8-1.0m, and the length (inner wading part 11) of the concrete base 1 extending to the wading side is the height of the wall body: 0.2-0.3, the length (outer extension 12) of the other side is the height of the wall body: 0.6-0.8.
The concrete construction process of the wading one-time pouring decorative concrete retaining wall comprises the following steps:
(1) excavating a foundation pit of a retaining wall base, wherein the plain soil rolling compaction coefficient is more than or equal to 0.93;
(2) pouring a reinforced concrete base 1, and reserving a reinforcement head for binding a wall reinforcement cage 21 upwards on the concrete base 1;
(3) binding an upwardly extending wall reinforcement cage 21 from the head part of a reserved reinforcement on the concrete base 1;
(4) and covering a waterproof blanket 24 on the wall reinforcement cage 21 on the wading side, and fixing.
(5) Erecting a structural template around the wall reinforcement cage 21, and adhering the decorative template which is sprayed to form a demolding layer on the structural template of which the decorative surface needs to be exposed; wherein, the texture surface of the decorative template is sprayed with a release agent, and a release layer is formed on the texture surface of the decorative template; if the decorative surface layer needs sand washing effect, a passivating agent needs to be sprayed on the decorative template sprayed with the release agent to form a passive film.
(6) The common concrete 22 is poured, the concrete needs to be poured in layers, each layer is poured and needs to be sufficiently vibrated, the next layer is poured immediately after the sufficient vibration, the concrete wall is formed after the pouring is finished, the top surface is finished into a smooth surface or is subjected to decoration treatment according to design requirements, and the stamping treatment, sand washing treatment, aggregate exposure treatment, glass aggregate treatment and the like can be adopted. The color of the concrete meets the design requirements.
(7) And (4) removing the mold after the concrete is initially set, and repairing if the adhesion problem exists after the mold is removed, so that the decorative effect is ensured.
(8) After the concrete is finally set, if necessary for design, chemical coloring treatment is performed.
(9) And spraying a waterproof protective agent after the concrete is finally set.
Example 2
Referring to fig. 2, the structure of the one-time pouring decorative concrete retaining wall for wading in water of this embodiment 1 has a main structure and a construction process that are substantially the same, except that the concrete wall 2 has an underground space structure at the right side, a structure top 80 at the upper part and a ground 81 at the lower part, such as a parking lot.
In addition, this embodiment is different from embodiment 1 in that a special impermeable concrete 25 is used instead of the ordinary concrete 22 in embodiment 1. The preparation process of the special impermeable concrete 25 comprises the following steps of (each cubic concrete contains material kg/m)3),52.5#120 parts of cement with fineness modulus muf670 parts of river sand of 2.6-2.8 parts, 1120 parts of crushed stone of 5-25 mm in particle size, 3.5 parts of LEX-9H polycarboxylic acid high-efficiency water reducing agent, and special admixture: 280, water-to-glue ratio: 0.3 to 0.4. The mass ratio of the granulated blast furnace slag, the fly ash and the silica fume in the special admixture is 1:1:1, and the particle sizes of the three components are all below 200 mu m.
By adopting the special impermeable concrete 25 to replace the common concrete 22 in the embodiment 1, the step of covering the waterproof blanket 24 on the wall reinforcement cage 21 in the construction process can be omitted, thereby further simplifying the process.
The retaining walls of the embodiments 1 and 2 are constructed under the condition that the left side water pool or river channel is free of water, after the construction is completed, the water pool or river channel is filled with water, when the seasons change or the water is released and adjusted, the water pool or river channel changes between the normal water level 6 and the low water level 7, the decorative texture 23 of the retaining wall can be exposed, and the unique landscape effect is shown.
Claims (3)
1. A one-time wading concrete retaining wall structure with decoration is characterized by comprising a concrete base and a concrete wall, wherein the concrete wall extends upwards from the middle of the concrete base; the concrete base and the concrete wall are integrally formed by a steel reinforcement cage framework and concrete pouring, wherein decorative textures are arranged on the surface of the wading side of the concrete wall.
2. The one-time wading concrete retaining wall structure of claim 1, wherein a triangular reinforced concrete part is arranged at the junction of the outer extension part and the concrete wall body, and diagonal steel bars with two ends fixed to the concrete base and the steel cage framework in the concrete wall body are arranged in the triangular reinforced concrete part.
3. The wading one-time pouring decorative concrete retaining wall structure of claim 1, wherein a waterproof blanket layer is arranged on the side, facing the wading, of the reinforcement cage framework of the concrete wall body in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922434910.1U CN211646459U (en) | 2019-12-30 | 2019-12-30 | One-time pouring decorative concrete retaining wall structure for wading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922434910.1U CN211646459U (en) | 2019-12-30 | 2019-12-30 | One-time pouring decorative concrete retaining wall structure for wading |
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| CN211646459U true CN211646459U (en) | 2020-10-09 |
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| CN201922434910.1U Active CN211646459U (en) | 2019-12-30 | 2019-12-30 | One-time pouring decorative concrete retaining wall structure for wading |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A one-time pouring decorative concrete retaining wall structure for wading Effective date of registration: 20220906 Granted publication date: 20201009 Pledgee: Beijing first financing Company limited by guarantee Pledgor: BEIJING ORANGESTONE HARDSCAPE CO.,LTD. Registration number: Y2022980014616 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |