A kind of arbor periphery hard paving structure
[technical field]
The utility model relates to a kind of arbor periphery hard paving structure, belongs to garden layout technical field.
[background technology]
The urban built-up area that the population density is larger, because of functional requirements when building greenery patches, it is higher that the activity space of people builds ratio, and therefore mostly arbor species are to intert and mat formation centre at hard, both played the effect increasing green percentage, and shelter from heat or light space and activity space can have been built again.Arboreal growth needs enough soil spaces and sufficient moisture supply, the hard of current arbor periphery is mated formation still to lay fluid-tight stone material and concrete, natural precipitation is difficult to into being seeped into tree root periphery, the gas permeability of root system is deteriorated simultaneously, arboreal growth is greatly limited, very easily cause trunk infusion bad, even dead, this phenomenon is especially embodied on large tree and ancient tree.Also have at present build diameter be not less than 1 meter build planting bed by laying bricks or stones to plant the planting patterns of arbor, which reserves nature soil layer, can be permeable, ventilative well, but building planting bed on the ground by laying bricks or stones takies again very large space, decreases the activity space of people.
Chinese patent " a kind of ecological floor file structure (notification number: CN201962571U) " discloses and a kind ofly solves permeable scheme, the program is fixed with into many concrete beams arranged in parallel on ground, many concrete beams are provided with into many concrete longerons arranged in parallel, many concrete beam intersects with many concrete longerons are substantially at a right angle each other, mixed earth prefabricated chunk is equipped with on many concrete longerons, and be provided with vertical water-permeable passage at mixed earth prefabricated chunk, the ecology that above structure can reach a kind of Stability Analysis of Structures and air-and water-permeable is mated formation, but it is complicated that the deficiency of the program is construction structure, use the beam prefabricated structure of purlin of resemble construction, mounting process is also complicated, practicality is not high, and must support column be had, easily cause finish coat differential settlement.In addition, Chinese patent " a kind of compound water-permeable road structure (notification number: CN202031001U) " also discloses a kind of paving hazard that can be permeable, comprise water-permeable brick, leveling layer, pervious concrete and graded broken stone layer, graded broken stone is arranged at above soil matrix, above graded broken stone, pervious concrete is set, above pervious concrete, leveling layer is set, water-permeable brick is arranged at the top of leveling layer, this structure permeable road water permeability is superior, highway loading ability is strong, but the deficiency of the program is paving structure to be realized permeable using water-permeable brick and pervious concrete as major constituents layer, and the production cost of this water-permeable brick and pervious concrete is higher, engineering cost is high, be not suitable for promoting.
Therefore, the utility model arises at the historic moment.
[utility model content]
The utility model object overcomes the deficiencies in the prior art, and provide a kind of structure simple, with low cost, water-permeable and air permeable is good, can not reduce the arbor periphery hard paving structure of people's activity space.
The utility model is achieved through the following technical solutions:
A kind of arbor periphery hard paving structure, it is characterized in that: comprise the soil matrix layer for planting arbor, be positioned at outside arbor root and be provided with hardcore bed above described soil matrix layer, the tree crown of described arbor projects and forms crown mapping district on hardcore bed, above described hardcore bed and be positioned at crown mapping district scope be provided with can be permeable permeable bed course, the concrete cushion being positioned at and connecting outside crown mapping district and with permeable bed course is also provided with above described hardcore bed, the permeable finish coat being positioned at crown mapping district scope is provided with above described permeable bed course, the ground decoration floor being positioned at and connecting outside crown mapping district and with permeable finish coat is provided with above described concrete cushion.
Arbor periphery hard paving structure as above, is characterized in that: be provided with permeable adhered layer between described ground decoration layer and concrete cushion, between described permeable finish coat and permeable bed course.
Arbor periphery hard paving structure as above, is characterized in that: described adhered layer is cement mortar.
Arbor periphery hard paving structure as above, is characterized in that: described permeable bed course comprises grid screen, is filled with rubble in described grid screen.
Arbor periphery hard paving structure as above, is characterized in that: be provided with cobble district between described arbor and permeable finish coat, is equipped with cobble in described cobble district.
Arbor periphery hard paving structure as above, is characterized in that: the diameter in described cobble district is 1.5 times of arbor trunk diameter to 2.5 times.
Arbor periphery hard paving structure as above, is characterized in that: described permeable finish coat is stone material or the brick with multiple through hole.
Compared with prior art, the utility model has the following advantages:
1, hardcore bed is provided with above soil matrix layer of the present utility model, the tree crown of arbor projects and forms crown mapping district on hardcore bed, above hardcore bed and be positioned at crown mapping district scope be provided with can be permeable permeable bed course, the concrete cushion being positioned at and connecting outside crown mapping district and with permeable bed course is also provided with above hardcore bed, be provided with the permeable finish coat being positioned at crown mapping district scope above permeable bed course, above concrete cushion, be provided with the ground decoration floor being positioned at and connecting outside crown mapping district and with permeable finish coat.When rainy, the permeable finish coat of rainwater successively within the scope of crown mapping district, permeable bed course and the hardcore bed that drip from tree crown and enter in soil matrix floor, enable moisture penetrate into the surrounding of Tree root system and provide nutrition for arbor, guarantee the healthy growth of arbor.And to face down from ground that what arrange is ground decoration floor and concrete cushion crown mapping district scope is outer, the cost of ground decoration layer and concrete cushion lower than the construction costs of permeable finish coat and permeable bed course, so within the scope of crown mapping district and crown mapping district scope adopt different paving structures greatly to reduce costs outward respectively.
2, permeable finish coat of the present utility model is stone material or the brick with through hole, with low cost, can greatly reduce costs.
3, the utility model structure is simple, and with low cost, water-permeable and air permeable is good, can not reduce people's activity space, is applicable to promoting.
[accompanying drawing explanation]
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the zoomed-in view at A place in Fig. 1;
Fig. 3 is the schematic diagram of crown mapping district of the present utility model and ground decoration floor;
[detailed description of the invention]
Below in conjunction with accompanying drawing, the utility model is further described:
A kind of arbor periphery hard paving structure, comprise the soil matrix layer 1 for planting arbor 99, be positioned at outside arbor 99 root and be provided with hardcore bed 2 above described soil matrix layer 1, the tree crown of described arbor 99 projects and forms crown mapping district 3 on hardcore bed 2, above described hardcore bed 2 and be positioned at crown mapping district 3 scope be provided with can be permeable permeable bed course 4, the concrete cushion 5 being positioned at and connecting outside crown mapping district 3 and with permeable bed course 4 is also provided with above described hardcore bed 2, the permeable finish coat 6 being positioned at crown mapping district 3 scope is provided with above described permeable bed course 4, the ground decoration floor 7 being positioned at and connecting outside crown mapping district 3 and with permeable finish coat 6 is provided with above described concrete cushion 5.When rainy, the permeable finish coat 6 of rainwater successively in crown mapping district 3 scope, permeable bed course 4 and the hardcore bed 2 that drip from tree crown and enter in soil matrix floor 1, moisture is enable to penetrate into the surrounding of Tree root system and provide nutrition for arbor, water-permeable and air permeable is very good, guarantees the healthy growth of arbor.And to face down from ground that what arrange is ground decoration floor 7 and concrete cushion 5 crown mapping district 3 scope is outer, the cost of ground decoration layer 7 and concrete cushion 5 lower than the construction costs of permeable finish coat 6 and permeable bed course 4, so in crown mapping district 3 scope and crown mapping district 3 scope adopt different paving structures greatly to reduce costs outward respectively.
Be provided with permeable adhered layer 8 between described ground decoration layer 7 and concrete cushion 5, between described permeable finish coat 6 and permeable bed course 4, described adhered layer 8 is cement mortar.Arranging of adhered layer 8 can make ground decoration layer 7 and permeable finish coat 6 mat formation more firm, people can not be caused to walk on ground decoration layer 7 and permeable finish coat 6 and just cause the displacement of the two, and cement mortar is with low cost, permeable effective.
Described permeable bed course 4 comprises grid screen 41, is filled with rubble 42 in described grid screen 41.Hardcore bed 2 is laid grid screen 41, then filling rubble 42 in grid screen 41, construction technology is simple, and due to the support of grid screen 41, permeable bed course 4 and permeable finish coat 6 there will not be sedimentation.
Be provided with cobble district between described arbor 99 and permeable finish coat 6, in described cobble district, be equipped with cobble 9.Because the trunk outer peripheral face of arbor 99 is irregular, so lay the problem that cobble 9 just can solve permeable finish coat 6 and the more difficult splicing of trunk of arbor 99, and also more attractive in appearance for laying cobble 9 garden landscape.
The diameter in described cobble district is 1.5 times of arbor 99 trunk diameter to 2.5 times.
Described permeable finish coat 6 is for having stone material or the brick of multiple through hole 601.Only need process multiple vertical through hole on stone material or brick just can complete permeable, and processing is got up very simple, with low cost, greatly can reduce engineering cost.
Arbor planting location periphery oozes under realizing rainwater nature, supplements arboreal growth to the demand of moisture, also avoids in addition building planting bed by laying bricks or stones and the activity space that affects people, alleviates trees and takes up room and the contradiction of people's activity space; Without the need to permeable finish coat 6 and the permeable bed course 4 of all mating formation when mating formation, only need to mat formation in crown mapping district 3 (water droplet namely arbor leaf dripped falls into district) scope permeable finish coat 6 and permeable bed course 4, and the ground decoration floor 7 of mating formation common at present outside crown mapping district 3 scope and concrete cushion 5, construction costs is low, can save cost.