CN103858727B - A kind of ground vibration vibration isolating method of environmental protection - Google Patents
A kind of ground vibration vibration isolating method of environmental protection Download PDFInfo
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- CN103858727B CN103858727B CN201410095094.5A CN201410095094A CN103858727B CN 103858727 B CN103858727 B CN 103858727B CN 201410095094 A CN201410095094 A CN 201410095094A CN 103858727 B CN103858727 B CN 103858727B
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- 241000196324 Embryophyta Species 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000002786 root growth Effects 0.000 claims description 5
- 238000002513 implantation Methods 0.000 claims description 4
- 230000004083 survival effect Effects 0.000 claims description 4
- 241000238631 Hexapoda Species 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
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Abstract
The invention belongs to industry and track traffic vibration control technology field, be specifically related to a kind of large-scale xylophyta ground vibration vibration isolating method of the deep-rootedness system of taproot.The ground vibration vibration isolating method of a kind of environmental protection, described method is to adopt multiple rows of blossom type plantation large-scale xylophyta of the deep-rootedness system of taproot to realize vibration vibration isolation in vibrationproof district.This large-scale woody system of taproot willow, including aerial parts and underground root system, blossom type plantation adopts the mode of front and rear row interval plantation.Suitable plantation row is selected, in order to the large-scale xylophyta of the deep-rootedness system of taproot can normally survive and grow according to vibration isolation region and environment.Technical solution of the present invention vibration vibration isolating method, is plant the green deep-rootedness system of taproot large-scale xylophyta large area in factory area, track traffic scope along the line, replaces the multiple rows of village vibration isolation in discontinuous barrier vibration isolation system；And while vibration isolation, moreover it is possible to intercept noise of air, fresh air, greening environment to a certain extent, reduce air pollution.
Description
Technical field
The invention belongs to the industry in vibration control technology and track traffic vibration control technology field, be specifically related to a kind of large-scale xylophyta ground vibration vibration isolating method of the deep-rootedness system of taproot.
Background technology
Along with the development of science and technology, machining factory and among the more and more intensive life being stored in us of track traffic, thing followed hazard of vibration is also increasingly subject to people's attention.In machining and bullet train are run, strong ground vibration will be caused, this vibration is propagated towards periphery with the form of viscoelastic wave, the safety of healthy, live and work environmental quality, the building of people within the scope of factory area and Along Railway and the normal of precision instrument are used and is likely to result in serious impact, causing the very big concern of domestic and international many research workers, hazard of vibration has been listed in one of the world seven overall situation public hazards.
The Main Means solving ambient vibration at present both at home and abroad is barrier vibration isolation.The principle of barrier vibration isolation is built upon on the reflection of ripple, scattering and diffraction basis, its essence is that elastic wave is about multiple heteroplasmonic multiple scattering problems.Barrier is divided into continuous barrier and discontinuous barrier two kinds.Continuous barrier is the forms such as free ditch, bentonite slurry, concrete core wall, flyash；The forms such as the porose row of noncontinuity barrier, concrete single-row stake, multiline pile.Barrier vibration isolation divides near field active vibration isolation and far field passive vibration isolation.Barrier near field active vibration isolation belongs to vibration of foundation problem on horizontal variation ground, arranges barrier in the position near artificial vibration source, reduces the outside emittance of vibration source；Barrier far field passive vibration isolation is equivalent to the Scattering of Rayleigh problem that heteroplasmon (barrier) causes, and is away from artificial vibration source and must reduce the place of vibration and arrange barrier, namely reducing the input of vibration.The operation principle of the present invention is similar to Vibration Isolation by Piles in Rows: is vibration wave and propagates in semi-infinite foundation, and when running into Spatial Heterogeneous Environment body, vibration wave can produce reflection, refraction, diffraction so that vibration wave energy is substantially weak, thus playing the effect of vibration isolation and damping.
Make a general survey of present various vibration isolation ways, all had very ripe development, and served good effect in vibration isolation is applied.But along with the constantly serious of land pollution and appealing that people are increasingly higher to green ecological environment, instantly but without one not only environmental protection but also practicality reliably Vibration Absorbing System Design.
Summary of the invention
The technical problem to be solved in the present invention is to provide the ground vibration vibration isolating method of a kind of environmental protection, replaces the multiple rows of village vibration isolation in discontinuous barrier vibration isolation system；And while vibration isolation, moreover it is possible to intercept noise of air, fresh air, greening environment to a certain extent, reduce air pollution.
For solving above-mentioned technical problem, the present invention provides the ground vibration vibration isolating method of a kind of environmental protection, and described method is to plant the large-scale xylophyta of the deep-rootedness system of taproot to realize vibration vibration isolation in vibrationproof district.This large-scale woody system of taproot willow, including aerial parts and underground root system.When starting to cultivate, for willow seedling, root system is less, but during cultivation, will be dug hole bottom to about 10 meters, be undertaken processing and backfilling a part by the soil dug out.
Process content includes: soil is soft, applies fertilizer and the inducer of induction root growth, then soil is backfilled to degree of depth 2m, then poplar seedlings is planted into, and deep irrigation water once irrigates, it is ensured that root system grows to desired depth within a certain period of time and guarantees to survive.
The implantation methods of the described large-scale xylophyta of the deep-rootedness system of taproot adopts the plantation of multiple rows of blossom type, and the plantation of described blossom type adopts the mode of front and rear row interval plantation.Suitable plantation row is selected, in order to the large-scale xylophyta of the deep-rootedness system of taproot can normally survive and grow according to vibration isolation region and environment.
The large-scale xylophyta of the described deep-rootedness system of taproot selects the Main root depth willow up to 20 meters.The diversity of the Main root depth of large-scale system of taproot xylophyta, main root shape and natural impedance and foundation soil is all conducive to it for Vibration Isolation Engineering.The Main root depth of deep-rootedness system of taproot xylophyta can reach 20 meters, removes nethermost soft, also can meet the requirement of the commonly required vibration isolation barrier degree of depth 10 meters.
The plantation step of the described large-scale xylophyta of the deep-rootedness system of taproot is:
(1) choosing tree, chooses the large-scale xylophyta willow of the deep-rootedness system of taproot, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground is at 28～32cm, and guarantees not affect its activity after in this kind of plant stem implantation soil.When choosing tree, by the physiological habit of the local large-scale xylophyta of the deep-rootedness system of taproot is studied, select trees tree crown less, uprightly tall and straight, growing space is required less trees；Select trees main root thick, and directly enter the trees that underground is deeper；Selecting trees tree stem at about 30cm, but tree stem is more big, transplanting survival rate is more low, therefore selects trees tree stem as far as possible less than 50cm；Select trees can carry out burying stem to transplant, namely low portion tree stem transplant together with tree root with underground and do not affect it and survive and grow, the present invention preferably selects willow to carry out burying stem transplanting.
(2) play tree, rise in tree process to deep-cut to main root and reach more than 3m, to ensure its survival rate and vibration isolation requirement in the future.Playing the tree degree of depth at more than 3m, the root soil diameter that sticks together should be tree 6～10 times of stem.
(3) prune, in time willow is carried out after playing tree beta pruning, and root Tu Tuo packing material is tied, it is prevented that it dissipates and sticks together.
(4) transport, in transportation, if distance is farther out, it is ensured that every 12h sprays water once to trunk.
(5) open cave, transport arrive before, on pre-vibration isolation band, hole should have been dug according to Vibration Absorbing System Design, vibration isolation band previously according to blossom type arrangement mode excavate hole.When opening cave, stirring installation is used to stir soft by hole underlying soil, while adding water with drilling pipe, dissolved with induction a great number of elements phosphorus of root growth, potassium, nitrogen etc. in water, in order to induction root system grows downwards.The process degree of depth to reach 10m and be advisable.Hole is arranged and is advisable with blossom type, and because arboreal growth space requirement is relatively big, row of planting generally is arranged no less than 2, and 3 rows are advisable.Trees ' root is at least not less than 8～12m with power-equipment or orbital distance, and each row's hole spacing is 6a, and row and trestle column are 2a, and wherein the size of a requires to be defined according to different vibration isolation, and under regular situation, span is typically in 0.8m-1.2m.
(6) planting trees, willow transport arrived is implanted in the cave of blossom type arrangement.Poplar seedlings is planted into, and deep irrigation water once irrigates.For the vibration isolation band come into operation immediately, the stirring degree of depth will at about 10m, for also in the engineering of project period, can according to engineering operation time limit and progress, suitable reduction cropping depth.
(7) support tree, after transplanting, in time trees are carried out insect protected diseases prevention and antisitic defect nursing.Through growth after a while, after root system of plant reaches desired depth, namely reach pre-provisioning request, and vibration isolating effect is carried out on-the-spot test.
Technical solution of the present invention can play vibration isolation effect, and can intercept noise of air propagation to a certain extent, greening environment, and the principle reducing air pollution institute foundation is:
1, the vibration isolation essence of discontinuous barrier system is exactly that elastic wave is about multiple heteroplasmonic multiple scattering problems.The natural impedance of the large-scale xylophyta rhizome of the deep-rootedness system of taproot substantially differs from the natural impedance of foundation soil, and therefore ripple is propagated in foundation soil, and running into trees rhizome has good dispersion effect.
2, in discontinuous barrier vibration isolation, circular barrier is best to the dispersion effect of vibration wave, and trees rhizome is approximate circle cylinder, the existence of another lateral root, and vibration isolating effect has certain Beneficial Effect.
3, big quantity research shows, plant can absorb to a certain extent or in absorbed air harmful gas and harmful dust, can reach purify air effect.
4, the large-scale xylophyta of the deep-rootedness system of taproot generally can reach about 30m height, and therefore multiple rows of plant vibration isolation band is equivalent to form a soundproof wall effectively between vibration source and the external world, and the sound that vibration source is sent has certain reduction effect.
5, campshed is replaced with the large-scale xylophyta of the deep-rootedness system of taproot, it is possible to the living environment of greening people, for city increasing colour, the life satisfaction degree of raising people.
Technique scheme is adopted to provide the benefit that: the ground vibration vibration isolating method of the environmental protection of technical solution of the present invention, it is that the green deep-rootedness system of taproot large-scale xylophyta large area is planted in factory area, track traffic scope along the line, replaces the multiple rows of village vibration isolation in discontinuous barrier vibration isolation system；And while vibration isolation, moreover it is possible to intercept noise of air, fresh air, greening environment to a certain extent, reduce air pollution.
Accompanying drawing explanation
Fig. 1 is the large-scale xylophyta cultivation schematic diagram of the present invention medium-and-large-sized deep-rootedness system of taproot,
Fig. 2 is the site plan of plant culture position in the present invention,
The facade that Fig. 3 is plant culture in the present invention arranges schematic diagram,
Fig. 4 is the medium-and-large-sized xylophyta growth course schematic diagram of the present invention,
Fig. 5 is the Analysis results of numerical simulation of vibration isolating effect in the present invention,
Wherein, Fig. 1 plants H for opening acupoint depth, and in Fig. 2, R is planting area edge distance vibration source distance, and in Fig. 2 and Fig. 3, Q is vibration source, in Fig. 4, A1 is the tree just planted, A2 is the tree growing to expection situation, and H1 is the kind roots deep just planted, and H2 is the degree of depth of the usage tree root growing to expection situation, in Fig. 5, transverse axis is blind zone extended distance, the longitudinal axis is amplitude damping factor, and F1 is deep-rootedness system of taproot xylophyta vibration isolating effect, F2 sky ditch vibration isolating effect.
Detailed description of the invention
Below in conjunction with description and Figure of description, technical scheme and method are further described, in order to those skilled in the art understand.
The present invention provides the ground vibration vibration isolating method of a kind of environmental protection, vibration vibration isolating method to be plant willow to realize vibration vibration isolation in vibrationproof district.As shown in figure, willow includes aerial parts and subterraneous root pastern divides.During cultivation, select willow seedling, root system is less, hole bottom is dug to 10 meters, soil is soft, apply fertilizer and the inducer of induction root growth, then soil is backfilled to degree of depth 2m place, then poplar seedlings is planted into, and deep irrigation water once irrigates, it is ensured that root system grows to desired depth within a certain period of time and guarantees to survive.
When willow is planted, as shown in Figure 2, adopt multiple rows of blossom type to plant, select suitable plantation row according to vibration isolation region and environment, in order to the large-scale xylophyta of the deep-rootedness system of taproot can normally survive and grow.
Selecting the Main root depth willow up to 20 meters, the Main root depth of deep-rootedness system of taproot xylophyta can reach 20 meters, removes nethermost soft, also can meet the requirement of the commonly required vibration isolation barrier degree of depth 10 meters.
The plantation step of the described large-scale xylophyta of the deep-rootedness system of taproot is:
(1) choosing tree, chooses the large-scale xylophyta willow of the deep-rootedness system of taproot, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground is at 28～32cm, and guarantees not affect its activity after in willow stem implantation soil.Selecting trees tree stem at about 30cm, but tree stem is more big, transplanting survival rate is more low, therefore selects trees tree stem as far as possible less than 50cm；Select trees can carry out burying stem to transplant, namely low portion tree stem transplant together with tree root with underground and do not affect it and survive and grow, the present invention preferably selects willow to carry out burying stem transplanting.
(2) playing tree, rise in tree process to deep-cut to main root and reach more than 3m, the root soil diameter that sticks together should be 18～30m of tree stem.
(3) prune, in time willow is carried out after playing tree beta pruning, and root Tu Tuo packing material is tied, it is prevented that it dissipates and sticks together.
(4) transport, in transportation, if distance is farther out, it is ensured that every 12h sprays water once to trunk.
(5) open cave, before transport arrives, on pre-vibration isolation band, blossom type hole should have been dug according to Vibration Absorbing System Design.When opening cave, stirring installation is used to stir soft by hole underlying soil, while adding water with drilling pipe, dissolved with induction a great number of elements phosphorus of root growth, potassium, nitrogen etc. in water, in order to induction root system grows downwards.The process degree of depth to reach 10m and be advisable.Hole is arranged and is advisable with blossom type, and because arboreal growth space requirement is relatively big, row of planting generally is arranged no less than 2, and 3 rows are advisable.Trees ' root is at least not less than 12m with power-equipment or orbital distance, and each row's hole spacing is 6m, and row and trestle column are 2m.
(6) planting trees, willow transport arrived is implanted in the cave of blossom type arrangement.Poplar seedlings is planted into, and deep irrigation water once irrigates.For the vibration isolation band come into operation immediately, the stirring degree of depth will at about 10m, for also in the engineering of project period, can according to engineering operation time limit and progress, suitable reduction cropping depth.
(7) support tree, after transplanting, in time trees are carried out insect protected diseases prevention and antisitic defect nursing.Through growth after a while, after root system of plant reaches desired depth, namely reach pre-provisioning request, and vibration isolating effect is carried out on-the-spot test.
Deep-rootedness xylophyta disclosed in the present invention is willow, but the present invention proposes is a kind of technical scheme, and deep-rootedness xylophyta is not limited solely to select willow, and all have the good trees of deep-rootedness, growth characteristics all can be instead of using.
Above-mentioned in conjunction with description and Figure of description, invention is exemplarily described; the obvious present invention implements and is not subject to the restrictions described above; as long as have employed the design of the method for the present invention to improve with this insubstantial that technical scheme carries out; or the not improved design by invention and technical scheme directly apply to other occasions, all within protection scope of the present invention.
Claims (2)
1. the ground vibration vibration isolating method of an environmental protection, it is characterized in that: described method is to plant the large-scale xylophyta of the deep-rootedness system of taproot to realize vibration vibration isolation in vibrationproof district, the implantation methods of the described large-scale xylophyta of the deep-rootedness system of taproot adopts blossom type plantation, the plantation of described blossom type adopts the mode of front and rear row interval plantation, and the large-scale xylophyta of the described deep-rootedness system of taproot selects the Main root depth willow up to 20 meters.
2. the ground vibration vibration isolating method of a kind of environmental protection according to claim 1, it is characterised in that: the plantation step of the described large-scale xylophyta of the deep-rootedness system of taproot is:
(1) choosing tree, chooses the large-scale xylophyta willow of the deep-rootedness system of taproot, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground is at 28-32cm；
(2) play tree, rise in tree process to deep-cut to axial root system and reach more than 3m, to ensure its survival rate and vibration isolation requirement in the future；
(3) prune, in time willow is carried out after playing tree beta pruning, and root Tu Tuo packing material is tied, it is prevented that it dissipates and sticks together；
(4) transport, in transportation, if distance is farther out, it is ensured that every 12h sprays water once to trunk；
(5) cave is opened, vibration isolation band previously according to blossom type arrangement mode excavate hole, when opening cave, use stirring installation by hole underlying soil while stirring soft, while adding water with drilling pipe, dissolved with induction a great number of elements phosphorus of root growth, potassium, nitrogen in water, in order to induction root system grows downwards, hole bottom is dug to 10 meters deep, and the soil dug out is carried out process and part backfill；
(6) planting trees, willow transport arrived is implanted in the cave of blossom type arrangement；
(7) support tree, after transplanting, in time trees are carried out insect protected diseases prevention and antisitic defect nursing.
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