CN113439593A - Filling construction area tree on-site protection structure and construction method - Google Patents
Filling construction area tree on-site protection structure and construction method Download PDFInfo
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- CN113439593A CN113439593A CN202010228235.1A CN202010228235A CN113439593A CN 113439593 A CN113439593 A CN 113439593A CN 202010228235 A CN202010228235 A CN 202010228235A CN 113439593 A CN113439593 A CN 113439593A
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- retaining wall
- tree
- nutrient soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0237—Devices for protecting a specific part of a plant, e.g. roots, trunk or fruits
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G29/00—Root feeders; Injecting fertilisers into the roots
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention provides a filling construction area tree in-situ protection structure and a construction method thereof, wherein the filling construction area tree in-situ protection structure comprises a tree in-situ protection structure and a nutrient supply system which are combined together; the on-site tree protection structure consists of a tree pool and a pool opening protection net structure; the nutrient supply system is composed of tree pond bottom nutrient soil, retaining wall outside nutrient soil and the retaining wall bottom, and the tree pond bottom nutrient soil and the retaining wall outside nutrient soil are connected through a retaining wall bottom flood discharge channel. The invention reserves and protects the ancient trees, famous trees or trees with certain landscape ornamental value in the engineering construction area on site, improves the reserved utilization rate and survival rate of the original trees in the construction area, improves the ecological environment in the construction area and reduces the engineering cost.
Description
Technical Field
The invention relates to the field of in-situ protection of trees with long tree ages and certain landscape effect in urban landscape construction areas, in particular to a protection structure and a construction method for trees in a filling construction area, which are used for improving the retention utilization rate and the survival rate of the original trees in the construction area and improving the ecological environment in the construction area.
Background
Trees with longer ages, including ancient trees, famous trees and trees with certain landscape ornamental value, exist in urban construction and supporting engineering construction areas, and are local precious humanistic ecological landscape resources. Part of the engineering projects usually cut down and clear the table for original trees, and landscape trees are planted after landscape construction in later period, the method usually damages part of ancient trees and famous trees existing in the engineering construction area, and related regulations are issued by related departments of the state to protect the ancient trees and famous trees.
With the rapid development of urban construction and supporting engineering construction, the problem of how to effectively protect ancient trees and famous trees in urban construction areas is increasingly highlighted. At present, the tree protection in urban construction areas mainly comprises transplanting protection or on-site protection and the like, and the on-site protection scheme has the advantages of reducing the engineering cost, high tree survival rate, no damage to the ecological environment and the like, so the on-site protection scheme becomes the best choice for protecting the famous ancient trees.
In urban construction projects, the elevation of the original ground is usually improved, and the backfilled construction areas formed by improving the elevation of the ground usually have great influence on the growth quality of original trees in the construction areas, for example, the trees are directly treated by backfilling around the trunk, and the trees are easily stuffy roots and the survival rate of the trees is influenced because the trees are affected by the depth of burying the trunk by the backfilling or the depth of pricking the roots is too deep; even if the trees survive in the backfilling area, the overall growth vigor of the trees can be greatly influenced in the future.
Disclosure of Invention
The purpose of the invention is: aiming at the problems, the on-site tree protection structure in the filling construction area and the construction method thereof are provided.
According to a first aspect of the present invention, there is provided a construction site tree in-situ protection structure for a fill construction zone. Therefore, the invention adopts the following technical scheme:
a filling construction area tree in-situ protection structure is characterized by comprising a tree in-situ protection structure and a nutrient supply system which are combined together;
the on-site tree protection structure consists of a tree pool and a pool opening protection net structure; the tree pool comprises foundation piers, concrete lintels, peripheral retaining walls and drain pipes, wherein the retaining wall foundation piers are pier-shaped structures which are embedded in the original soil layer within a certain depth range and are higher than the original ground by a certain height, the concrete lintels are built on the foundation piers, and a retaining wall bottom flood discharge channel is formed between the lower part of the concrete lintels and the original ground and is used as a nutrient flow channel in nutrient soil inside and outside the retaining walls;
the protective net structure is arranged in a manhole;
the nutrient supply system is composed of tree pond bottom nutrient soil, retaining wall outside nutrient soil and the retaining wall bottom, and the tree pond bottom nutrient soil and the retaining wall outside nutrient soil are connected through the retaining wall bottom flood discharge channel.
The protective net is fixed at the mouth of the tree pool, is supported by a protective net supporting structure in the middle and is inclined upwards to form a certain gradient.
Nutrient soil at the bottom of the tree pool is paved at the bottom of the tree pool to directly provide nutrients for trees to be protected; nutrient soil outside the retaining wall is filled around the retaining wall, and under the action of rainwater, nutrients in the nutrient soil are connected through the nutrient soil at the bottom of the flood discharge channel at the bottom of the retaining wall and enter the nutrient soil in the tree pond to provide nutrients for trees to be protected.
The protection structure is used for protecting trees in a filling construction area, and the backfilled earthwork is isolated from the trees to be protected by adopting a tree pool surrounded by retaining walls, so that the backfilled earthwork is prevented from burying trunks of the trees; the safety protection net is used for preventing foreign objects from impacting trees and preventing personnel from falling; nutrient soil outside the retaining wall of the tree pool and at the bottom of the tree pool is used for providing nutrients for the trees; utilize the flood discharge passageway that sets up in tree pond barricade below to communicate the inside and outside nutrient circulation in the nutrient soil of barricade to prevent to build the restriction of the destruction of barricade to the root of a tree and outside extension. The protection structure can improve the reserved utilization rate of the original tree in the construction backfill area and can also maintain the growth quality of the original tree.
According to another aspect of the invention, the invention provides a construction method for in-situ protection of trees in a fill construction area. Therefore, the invention adopts the following technical scheme:
a method for in-situ protection construction of trees in a fill construction area is characterized by comprising the following steps:
(1) excavating a foundation trench around the tree and building a foundation pier, wherein the foundation pier is higher than the original ground by a certain distance;
(2) pouring a concrete lintel on the foundation pier; a certain distance is reserved between the concrete lintel and the original ground to form a flood discharge channel at the bottom of the retaining wall;
(3) building a retaining wall on the concrete lintel, presetting a drain pipe and arranging a ladder in the retaining wall;
(4) backfilling nutrient soil in a layered manner in the range of a crown on the periphery of the retaining wall, wherein the nutrient soil outside the retaining wall is connected with the nutrient soil laid at the bottom of the tree pool through a flood discharge channel at the bottom of the retaining wall; backfilling field flat earthwork in a layered manner at the periphery of nutrient soil outside the retaining wall;
(5) and a light-transmitting protective net is arranged at the top of the retaining wall, a manhole is reserved, and the manhole position is aligned with the ladder stand position in the retaining wall.
(6) And arranging landscape green belts on the surface layer of the nutrient soil on the periphery of the retaining wall.
And (3) paving the nutrient soil at the bottom of the tree pool before the retaining wall is built, or replacing the nutrient soil with the thickness of not less than 50cm around the tree root.
The invention has the beneficial effects that:
(1) the invention reserves and protects the ancient trees, famous trees or trees with certain landscape ornamental value in the engineering construction area on site, improves the reserved utilization rate and survival rate of the original trees in the construction area, and improves the ecological environment in the construction area.
(2) According to the invention, the mutual relation between the field heightening of the construction area and the tree growth is effectively balanced by adopting an effective protection structure for the native trees in the construction area, the normal growth of the native trees is ensured, and the engineering cost is reduced.
(3) According to the invention, the surrounding structures are arranged around the tree, so that the trunk is prevented from being buried by the backfilled soil, the normal root depth and growth space of the tree are effectively ensured, and the growth quality of the native tree is maintained or improved.
(4) According to the invention, the safety protection net is arranged at the top of the retaining wall of the tree pool, so that children are prevented from accidentally falling, the trees are prevented from being damaged by human activities, and meanwhile, dead leaves and sundries accumulated in the tree pool are regularly and timely cleaned through the preset overhauling manhole of the safety protection net;
(5) by arranging the nutrient supply system, the invention ensures the effective communication between the tree root and the surrounding soil body and improves the timeliness of nutrient supply such as water content of the tree root.
Drawings
FIG. 1 is a schematic longitudinal section of the present invention.
FIG. 2 is a schematic cross-sectional view of the section A-A of the present invention.
FIG. 3 is a schematic cross-sectional view B-B of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1, fig. 2 and fig. 3, the in-situ tree protection structure in a landfill construction area and the objects related to the construction method of the in-situ tree protection structure in the landfill construction area comprise a protection net 1, a protection net support 2, a tree pool retaining wall 3, a concrete lintel 4, an overhaul ladder stand 5, a foundation pier 6, retaining wall external nutrient soil 7, an original soil layer 8, a retaining wall drainage pipe 9, tree pool bottom nutrient soil 10, a landscape greening belt 11, an entry manhole 12, a tree to be protected 13, a retaining wall bottom flood drainage channel 14 and a construction area ground leveling backfill earth 15.
Retaining wall basis mound 6 is for burying in original soil layer 8 certain depth range to exceed the mound type structure of original ground take the altitude, for concrete lintel 4 provides the support, and the structural style of retaining wall basis mound 6 can be based on the condition selection masonry foundation or the concrete placement basis of original soil layer.
One end of the protective net support 2 is fixed on the tree pool retaining wall 3, and the other end of the protective net support is connected with the protective net 1 and used for supporting the protective net and preventing the protective net from collapsing.
The manhole 12 is a hole reserved on the protective screen 1 and is provided with a mesh door for access of an overhaul worker.
The overhaul crawling ladder 5 is a U-shaped steel bar fixed on the tree pool retaining wall 3 and is used for maintainers to go up and down the tree pool.
The drain pipe 9 is a pre-buried pipeline and is positioned below the concrete lintel 4, the inlet of the drain pipe is basically flush with the bottom of the tree pool, and the outlet of the drain pipe is connected with an external drainage system and used for draining accumulated water in the tree pool and preventing trees from being soaked and flooded for a long time.
The tree pond external nutrient soil 7 is located between the tree pond retaining wall 3 and the backfilling compacted earthwork 15, and under the action of rainwater, nutrients in the tree pond external nutrient soil are conveyed to the tree 13 to be protected through the retaining wall bottom flood discharge channel 14.
The tree pool bottom nutrient soil 10 is located at the bottom of the tree pool and is used for providing nutrition for trees to be protected, and the tree pool bottom flood discharge channel 14 is connected with the tree pool external nutrient soil 7 to provide nutrition for the trees to be protected and receive nutrition supplement.
The landscape green belt 11 is positioned around the tree pool, can be used for planting landscape flowers and plants or arranging landscape lamps and is used for beautifying the trees to be protected and improving the landscape effect of the trees to be protected.
As shown in fig. 1 to 3, the construction method using the on-site tree protection structure in the fill construction area includes the following steps:
a. according to the root distribution condition of the tree to be protected, foundation pier foundation grooves are excavated around the tree to be protected, foundation piers 6 are built, the burial depth and the size of the foundation piers are determined according to the weight of the retaining wall 3 and foundation settlement calculation, and the foundation piers 6 are a certain distance above the original ground.
b. Pouring a concrete lintel 4 on the foundation pier 6, calculating and determining the size of the concrete lintel 4 according to the weight of the upper retaining wall 3, selecting a plain concrete beam or a reinforced concrete beam according to the calculation result, and forming a retaining wall bottom channel 14 by spacing a certain distance between the concrete lintel 4 and the original ground;
c. building a retaining wall 3 on the concrete lintel 4, embedding a crawling ladder 5 on the retaining wall 3, presetting a drain pipe 9 at the bottom of the retaining wall, wherein the drain pipe 9 is communicated with an external drainage system, and the retaining wall 3 can be in a brick laying form or concrete casting;
d. backfilling nutrient soil 7 outside the retaining wall on the periphery of the retaining wall 3, backfilling compacted earthwork 71 outside the nutrient soil 7 outside the retaining wall, and paving nutrient soil 10 at the bottom of a tree pool surrounded by the retaining wall 3; the nutrient soil outside the retaining wall and the nutrient soil laid at the bottom of the tree pool are connected through a retaining wall bottom flood discharge channel 14, and one or both of the nutrient soil 7 outside the retaining wall and the nutrient soil 10 are filled into the retaining wall bottom flood discharge channel 14 to be connected with the nutrient soil.
e. A light-transmitting protective net 1 and a protective net support 2 are arranged on a retaining wall 3, and a manhole 12 with a net door is reserved on the light-transmitting protective net.
f. And a landscape green belt 11 is arranged on the surface layer of the nutrient soil 7 outside the retaining wall on the periphery of the retaining wall.
The method disclosed by the invention can be used for in-situ protection of the trees in the filling construction area, so that the trunk of the tree to be protected is prevented from being buried due to backfilling; the falling of personnel and the accidental damage of human activities to trees are prevented, and dead branches and leaves of the trees slide down along the protective net, so that cleaning personnel can clean the trees conveniently; provides sufficient nutrients for the trees to be protected and improves the timeliness of the nutrient supply of the trees.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made by the present invention are covered by the scope of the claims of the present invention, which is not limited by the examples herein.
Claims (5)
1. A filling construction area tree in-situ protection structure is characterized by comprising a tree in-situ protection structure and a nutrient supply system which are combined together;
the on-site tree protection structure consists of a tree pool and a pool opening protection net structure; the tree pool comprises foundation piers, concrete lintels, peripheral retaining walls and drain pipes, wherein the retaining wall foundation piers are pier-shaped structures which are embedded in the original soil layer within a certain depth range and are higher than the original ground by a certain height, the concrete lintels are built on the foundation piers, and a retaining wall bottom flood discharge channel is formed between the lower part of the concrete lintels and the original ground and is used as a nutrient flow channel in nutrient soil inside and outside the retaining walls;
the protective net structure is arranged in a manhole;
the nutrient supply system is composed of tree pond bottom nutrient soil, retaining wall outside nutrient soil and the retaining wall bottom, and the tree pond bottom nutrient soil and the retaining wall outside nutrient soil are connected through the retaining wall bottom flood discharge channel.
2. The in-situ tree protection structure for a fill construction area according to claim 1, wherein the protection net is fixed at the mouth of the tree pool, supported by a protection net support structure in the middle, and inclined upward to form a certain slope.
3. The in-situ tree protection structure for a fill construction area of claim 1, wherein the nutrient soil at the bottom of the tree pool is spread at the bottom of the tree pool to directly provide nutrients for trees to be protected; nutrient soil outside the retaining wall is filled around the retaining wall, and under the action of rainwater, nutrients in the nutrient soil are connected through the nutrient soil at the bottom of the flood discharge channel at the bottom of the retaining wall and enter the tree pool to provide nutrients for trees to be protected.
4. A method for in-situ protection construction of trees in a fill construction area is characterized by comprising the following steps:
(1) excavating a foundation trench around the tree and building a foundation pier, wherein the foundation pier is higher than the original ground by a certain distance;
(2) pouring a concrete lintel on the foundation pier; a certain distance is reserved between the concrete lintel and the original ground to form a flood discharge channel at the bottom of the retaining wall;
(3) building a retaining wall on the concrete lintel, presetting a drain pipe and arranging a ladder in the retaining wall;
(4) backfilling nutrient soil in a layered manner in the range of a crown on the periphery of the retaining wall, wherein the nutrient soil outside the retaining wall is connected with the nutrient soil laid at the bottom of the tree pool through a flood discharge channel at the bottom of the retaining wall; backfilling field flat earthwork in a layered manner at the periphery of nutrient soil outside the retaining wall;
(5) a light-transmitting protective net is arranged at the top of the retaining wall, a manhole is reserved, and the manhole position is aligned with the ladder position in the retaining wall;
(6) and arranging landscape green belts on the surface layer of the nutrient soil on the periphery of the retaining wall.
5. The in-situ tree protection construction method for a fill construction area according to claim 4, wherein before the retaining wall is built, the nutrient soil at the bottom of the tree pool is laid, or the nutrient soil with the thickness of not less than 50cm is replaced around the roots of the trees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010228235.1A CN113439593B (en) | 2020-03-27 | 2020-03-27 | Filling construction area tree on-site protection structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010228235.1A CN113439593B (en) | 2020-03-27 | 2020-03-27 | Filling construction area tree on-site protection structure and construction method |
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| CN113439593A true CN113439593A (en) | 2021-09-28 |
| CN113439593B CN113439593B (en) | 2023-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115316169A (en) * | 2022-07-11 | 2022-11-11 | 北京市政路桥股份有限公司 | Basin-type ancient tree protection structure constructed synchronously by utilizing tunnel anchor rods and construction method |
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| CN110199749A (en) * | 2019-07-13 | 2019-09-06 | 刘艳华 | The construction method of growing thickly treescape |
| CN213029239U (en) * | 2020-03-27 | 2021-04-23 | 中国电建集团华东勘测设计研究院有限公司 | Fill construction area trees protection architecture on spot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115316169A (en) * | 2022-07-11 | 2022-11-11 | 北京市政路桥股份有限公司 | Basin-type ancient tree protection structure constructed synchronously by utilizing tunnel anchor rods and construction method |
| CN115316169B (en) * | 2022-07-11 | 2024-01-09 | 北京市政路桥股份有限公司 | Basin-type ancient tree protection structure synchronously constructed by tunnel anchor rods and construction method |
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| CN113439593B (en) | 2023-02-14 |
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