JP2593415B2 - Method of firmly embedding established trees and pile structure used in this emplacement method - Google Patents

Method of firmly embedding established trees and pile structure used in this emplacement method

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Publication number
JP2593415B2
JP2593415B2 JP6184195A JP18419594A JP2593415B2 JP 2593415 B2 JP2593415 B2 JP 2593415B2 JP 6184195 A JP6184195 A JP 6184195A JP 18419594 A JP18419594 A JP 18419594A JP 2593415 B2 JP2593415 B2 JP 2593415B2
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JP
Japan
Prior art keywords
pile
root
trunk
tree
emplacement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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JP6184195A
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Japanese (ja)
Other versions
JPH089795A (en
Inventor
彦逸 渡辺
Original Assignee
渡辺 嗣彦
彦逸 渡辺
玄間 燦治
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Application filed by 渡辺 嗣彦, 彦逸 渡辺, 玄間 燦治 filed Critical 渡辺 嗣彦
Priority to JP6184195A priority Critical patent/JP2593415B2/en
Publication of JPH089795A publication Critical patent/JPH089795A/en
Application granted granted Critical
Publication of JP2593415B2 publication Critical patent/JP2593415B2/en
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Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、既成樹木の倒伏防止技
術に関し、特に既成樹木の根生え深さが浅く一部の幹根
が地表に露出状態を呈する場合には風・雪等により倒伏
し易いため人身等への被害が発生し易く、このような危
険を未然に防止すべく既成樹木を幹根を介して強力に固
定するようにしたものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for preventing lodging of an existing tree, particularly when the root of the existing tree is shallow and some of its trunk roots are exposed on the surface of the ground. Therefore, it is easy to cause damage to the human body and the like, and in order to prevent such danger beforehand, existing trees are strongly fixed via trunk roots.

【0002】[0002]

【従来の技術】一般に、樹木には浅根性(例えば、ケヤ
キ,イチョウ等)のものと深根性(例えば、スギ,クロ
マツ等)のものがあり、前記深根性樹木であっても土壌
構成が地表から数10cmの軟弱土質層でこれより地下
が粘土質層,岩盤等の硬質土質層等である場合には浅い
根張りとなってしまう。
2. Description of the Related Art In general, there are trees having shallow roots (for example, zelkova, ginkgo, etc.) and those having deep roots (for example, cedar, black pine, etc.). If the soil is a soft soil layer of several tens of cm from the ground and the underground is a hard soil layer such as a clay layer or a bedrock, a shallow rooting will result.

【0003】浅い根張りの樹木にあっては幹根が広範囲
に亘り放射状に太く生長しているものではあるが、樹木
の自立力が比較的小さいため強い風荷重や積雪荷重等に
耐え得ず倒伏する事態を引起すこととなり、人身・家屋
・車等々への被害や隣接する樹木の連鎖的倒伏・折損等
が生起している。このような被害や損害を未然に防止す
るには樹木の倒伏が阻止されなければならず、通常図4
に示すように樹木(1)間に支柱(6)(7)を掛渡し
て連結する布掛形支柱を採用して倒伏防止を図ったり、
図5に示すように複数本の支柱(7)を樹木(1)周囲
から樹木枝に斜設する四脚八ツ掛支柱を適用して支持を
図るものであり、施工も簡単なものであった。
[0003] In a tree with shallow roots, the trunk roots grow radially and thickly over a wide area. However, since the tree is relatively independant, it cannot withstand strong wind loads or snow loads. This causes a situation of lodging, causing damage to human bodies, houses, vehicles, etc., and a series of adjacent trees to fall or break. In order to prevent such damage or damage beforehand, the lodging of the tree must be prevented.
As shown in the figure, a cloth-hanging strut that spans and connects the struts (6) and (7) between the trees (1) is used to prevent lodging,
As shown in FIG. 5, a plurality of pillars (7) are supported by applying a four-legged eight-piece hanging pillar which is obliquely mounted on a tree branch from the periphery of the tree (1), and the construction is simple. Was.

【0004】[0004]

【発明が解決しようとする課題】上記従来の既成樹木定
置技術(図4及び図5参照)においては、斜設した支柱
(7)によって遊び空間を減少させ景観を害うものであ
り、特に布掛形支柱(図4参照)にあっては上方空間の
狭苦しさ及び支柱の落下に対する恐怖感等による不快感
を生じさせるもので、汎用性を欠くものであった。本発
明はこのような従来技術の有する欠点を解消しかつ、強
固に樹立させ得る既成樹木の定置技術を提供するもので
ある。
In the above-mentioned conventional established tree setting technique (see FIGS. 4 and 5), the slanted support (7) reduces the play space and impairs the landscape. The hanging column (see FIG. 4) causes discomfort due to the tightness of the upper space and the fear of falling of the column, and lacks versatility. The present invention is to solve the disadvantages of the prior art and to provide a technique for emplacement of existing trees that can be firmly established.

【0005】[0005]

【課題を解決するための手段】この発明とは、既成樹木
の中心から見てほぼ放射状に生育した幹根のうち、樹立
に必要な幹根を選択し地中に打込まれる体と該幹根を
係止する部材とにより前記選択された幹根を押圧支持し
て既成樹木を強固に定置する方法及び前記の定置する方
法に使用される体と幹根を係止する部材からなる特殊
な構造の杭であり、前記定置する方法においては幹根の
直径及び長さ等に応じて複数種の杭を選択し組合せて適
用し、杭構造にあっては幹根の形状及び植生状態に自在
に適合させ得る構成を具備している。
The [SUMMARY for the this invention, among Mikine grown substantially radially from the center of the preformed trees, pile body and said to be driven into the ground to select the Mikine required establishment locking the pile body and Mikine used in the process and how to position the to firmly position the established trees Mikine said selected by the member for the <br/> locking Mikine presses support to a pile of special structure consisting of members, a method of the stationary were applied in combination to select a plurality of kinds of piles in accordance with the diameter and length, etc. of the Mikine, in the pile structure Mikine It has a configuration that can be freely adapted to the shape and vegetation state.

【0006】[0006]

【作用】前記本発明の方法にあっては、放射状に浅く根
張りした幹根は一律な生育状態ではないから既成樹木と
幹根の生育形態とを観察し既成樹木の倒伏防止上最も有
効な幹根を選定すべく被覆土を掘起し、選定された幹根
をその近傍に打込まれた体と幹根を係止する部材とに
より押圧支持して、樹立の強化を図り、又、幹根の両側
に打込まれる一対の体及び幹根に掛渡し押圧するワイ
ヤーとで形成した杭は直径の大なる幹根部に使用するこ
とがより適切であり、一端が尖鋭である棒状の体の他
端に幹根を係止する部材を固着した構造からなる杭にあ
っても打込み作業に際して毛根を損傷する恐れがある時
により多く使用される。
According to the method of the present invention, the stem roots which are radially shallow and shallowly rooted are not in a uniform growing state. Excavation of the cover soil to select the trunk root, the selected trunk root is pressed and supported by the pile body driven into the vicinity and the member that locks the trunk root, to strengthen the establishment, , A pair of piles driven into both sides of the trunk root and a wire
Piles formed in the Ya is more appropriate to use the larger becomes the stem root diameter pile consisting of one end secured to member for locking the Mikine the other end of the pile body of the rod-shaped are sharp structure It is more often used when there is a risk of damaging the hair root during the driving operation.

【0007】[0007]

【実施例】以下、本発明の実施例を図面に基づいて説明
する。図1は、既成樹木(1)における浅い根張り状態
を呈している幹根(2)を例示するもので、各種の杭
(3)(4)が幹根(2)側部の地中に打込まれ該幹根
(2)が固定された形態を表す。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 illustrates a trunk root (2) exhibiting a shallow rooting state in an existing tree (1), and various piles (3) and (4) are placed underground on the side of the trunk root (2). It shows a form in which the stem root (2) is driven and fixed.

【0008】既成樹木(1)の幹根(2)は上層が軟弱
土質であり、下層が硬土質である土壌においては前記上
層にて放射状に生育し、特に高樹齢の既成樹木にあって
は上層から多くの幹根部が露出し自立しており、根張り
形態が容易に推測できる。放射状に根張りした幹根
(2)の中で固定すべき幹根を選定するに際しては幹根
の生え具合の調査が必要でありこのため幹根周囲の軟弱
土質層を掘削し露出せしめる。
[0008] The trunk root (2) of the existing tree (1) grows radially in the upper layer in soil where the upper layer is soft soil and the lower layer is hard soil. Many stem roots are exposed and self-supporting from the upper layer, and the form of rooting can be easily estimated. When selecting a trunk root to be fixed from among the radially rooted trunk roots (2), it is necessary to investigate the condition of the growth of the root. Therefore, the soft soil layer around the root is excavated and exposed.

【0009】固定すべき幹根が決定された後には各幹根
(2)の大径部の両側における硬土質層に一対の
(3a)(3a)を打込み設置し、次に前記幹根(2)
の周面に設けた保護片(5)及び前記体(3a)(3
a)の上端間にワイヤー(3c)を掛渡し緊締具(3
d)で締付ける。
After the trunk roots to be fixed are determined, a pair of piles (3a) (3a) are driven into the hard soil layer on both sides of the large diameter portion of each trunk root (2), and then the trunks are installed. Root (2)
The protective piece (5) provided on the peripheral surface of the pile and the piles (3a) (3)
a) A wire (3c) is passed between the upper ends of the fasteners (3).
Tighten in d).

【0010】 そして、樹木をより強固に支持する必要
がある時には同じ構造の杭(3)を間隔を置いて打込め
ば良く、毛根を多量に有する幹根を固定する場合には一
端が尖鋭である棒状の体(4a)の上端に幹根を係止
する部材である押圧片(4b)を固着した杭(4)を打
込むものである。このような方法により所定の幹根を固
定した後に土を埋戻して樹木の定置施工は終了する。
When it is necessary to more firmly support the tree, the piles (3) having the same structure may be driven at intervals, and when a stem root having a large number of hair roots is fixed, one end is sharp. Trunk root is locked to the upper end of a certain bar-shaped pile (4a)
The pile (4) to which the pressing piece (4b), which is a member to be fixed, is fixed is driven. After fixing a predetermined trunk root by such a method, the soil is buried back and the emplacement of the tree is completed.

【0011】 上記の定置施工に使用される杭(3)
(4)のうちの一つ(3)は図2に拡大して示してお
り、a図は平面図で、b図は側面図であって、チャンネ
ル状の体(3a)と該体(3a)の内面で長手方向
に沿って固着した弧状軸(3e)と該弧状軸(3e)に
遊嵌され弧状軸(3e)上を摺動・変位し得、かつ、該
弧状軸(3e)を中心に回動自在に設けられたシンブル
(3b)とで構成され、前記シンブル(3b)には幹根
係止する部材である緊締用ワイヤー(3c)が係合さ
れる。
Pile (3) used for the above-mentioned stationary construction
(4) one of (3) is shown enlarged in FIG. 2, a view is a plan view, b diagram is a side view, a channel-shaped pile body (3a) and said pile body An arcuate shaft (3e) fixed along the longitudinal direction on the inner surface of the (3a) and an arcuate shaft (3e) that is loosely fitted on the arcuate shaft (3e) and that can slide and displace on the arcuate shaft (3e), and ) center consists out with thimble rotatably provided (3b), said the thimble (3b) Mikine
A tightening wire (3c), which is a member that locks, is engaged.

【0012】 先ず、所定の幹根(2)周囲の土を掘起
こして幹根(2)近傍の両側にチャンネル状の体(3
a)(3a)をシンブル(3b)(3b)が対向するよ
うに硬土質層に打込み、次に幹根(2)の所定個所に介
在させた麻布等の保護片(5)及び2個のシンブル(3
b)(3b)にワイヤー(3c)を掛渡し緊締具(3
d)により締付ける。前記体(3a)において弧状軸
(3e)にシンブル(3b)を遊嵌せしめた構造は該
体(3a)の打設位置及び打設形態の変更にも自在に即
応できるものである。
First, soil around a predetermined trunk root (2) is excavated and channel-shaped piles (3) are formed on both sides near the trunk root (2).
a) Driving (3a) into the hard soil layer such that the thimbles (3b) and (3b) face each other, and then a protective piece (5) such as linen cloth and two protective strips (5) interposed at predetermined locations on the trunk root (2). Thimble (3
b) A wire (3c) is wound around (3b)
d) Tighten. Structure was allowed loosely fitted thimble (3b) in an arcuate shaft (3e) at said pile body (3a) can be responsive freely to change the pouring position and pouring the form of the pile <br/> body (3a) Things.

【0013】 上記の杭(3)の他、簡易型としての杭
(4)が図3に拡大して示しており、a図及びb図は夫
々平面図及び側面図であって、一端が尖鋭である棒状の
体(4a)の他端には断面凹型の幹根を係止する部材
である押圧片(4b)を固着したL字型の杭構造であ
り、特に多量の毛根を有する幹根に適用される際、
(4a)が前記尖鋭端及び棒状の形状を有するから打込
み時の杭による毛根の損傷を防止することができる。
[0013] In addition to the above-mentioned stake (3), a stake (4) as a simplified type is shown in an enlarged scale in FIG. 3, and a and b views are a plan view and a side view, respectively, and one end is sharp. Rod-shaped
Member for locking the cross-section concave Mikine to the other end of the pile body (4a)
A pile structure L-shaped with fixed pressing piece (4b) is, when applied to Mikine having a particularly large amount of hair root, because pile body (4a) has a shape of the pointed end and rod-shaped implant It is possible to prevent damage to the hair root due to the pile at the time.

【0014】[0014]

【発明の効果】この発明の既成樹木定置方法及びこの定
置方法に使用される杭構造は上述のとおりの構成を有し
ており、樹木はその周囲の遊び空間を狭めたり景観を害
したりせず自然の状態を維持しつつ強固に定置されるか
ら倒伏の恐れもなく人身等への被害を未然に防止でき、
また、幹根に対する施工上の自由度を保有している杭構
造により安易に定置作業を行い得、幹根も損傷すること
はない。
According to the present invention, the method for emplacement of established trees and the pile structure used in this emplacement method have the above-mentioned configuration, and the trees do not narrow the play space around them and do not impair the landscape. Because it is firmly fixed while maintaining the natural state, it can prevent damage to humans etc. without fear of falling down,
Further, the pile structure having a degree of freedom in construction for the trunk root can be easily set, and the trunk root is not damaged.

【図面の簡単な説明】[Brief description of the drawings]

【図1】は、本発明の既成樹木(1)の定置技術を示
し、既成樹木(1)の幹根(2)に2種類の杭(3)
(4)を適用した状態を表わす。
FIG. 1 shows the emplacement technique of an existing tree (1) of the present invention, in which two types of piles (3) are attached to a trunk root (2) of the existing tree (1).
This represents the state where (4) is applied.

【図2】は、前記図1において幹根(2)に適用された
杭(3)の拡大図であり、a図及びb図は夫々平面図及
び側面図である。
FIG. 2 is an enlarged view of a pile (3) applied to the trunk root (2) in FIG. 1, and FIGS. A and b are a plan view and a side view, respectively.

【図3】は、前記図1において適用し前記図2に示した
ものとは異なる杭(4)の拡大図であり、a図及びb図
は夫々平面図及び側面図である。
FIG. 3 is an enlarged view of a pile (4) applied in FIG. 1 and different from that shown in FIG. 2, and FIGS. A and b are a plan view and a side view, respectively.

【図4】は、従来技術の一例を示し、既成樹木(1)の
幹上方部相互を支柱(6)により連結すると共に別の支
柱(7)を斜めに添え支持するようにした布掛形支柱を
表わす。
FIG. 4 shows an example of the prior art, in which the upper part of the trunk of an existing tree (1) is connected to each other by a support (6) and another support (7) is supported at an angle. Indicates a support.

【図5】は、前記図4に示したものとは異なる従来例の
一つであり、既成樹木(1)の幹に四本の支柱を斜めに
添え支持するようにした四脚八ツ掛支柱を示す。
FIG. 5 is a prior art example different from the one shown in FIG. 4 above, which is a four-legged eight-piece hook in which four pillars are diagonally attached to the trunk of the existing tree (1) and supported. Show the struts.

【符号の説明】[Explanation of symbols]

1…既成樹木 2…幹根 3…一対の体(3a)(3a)とワイヤー(3c)と
からなる杭 3a…チャンネル材からなる打込み用体 3b…ワイヤー(3c)を案内するシンブル 3c…一対の体(3a)(3a)と幹根(2)に掛渡
して緊締するワイヤー 3d…ワイヤー(3c)の緊締具 3e…体(3a)の上方部内面に固設されシンブル
(3b)を回動・摺動変位自在に保持する弧状軸 4…毛根への損傷を防止し得る簡易型杭 4a…一端が尖鋭である棒状の体 4b…棒状の体(4a)の上端に固着され幹根を係止
する部材である押圧片 5…麻布等の保護片 6,7…既成樹木(1)に適用される支柱
 1 ... ready-made tree 2 ... stem root 3 ... a pairPileBody (3a) (3a) and wire (3c)
Pile 3a: For driving in channel materialPileBody 3b: thimble that guides wire (3c) 3c: a pairPileHang over body (3a) (3a) and trunk root (2)
Wire 3d ... wire (3c) tightening tool 3e ...PileA thimble fixed on the inner surface of the upper part of the body (3a)
(3b) An arcuate shaft that holds the pivotable and slidable displacement 4. Simple stake 4a that can prevent damage to hair roots 4a ...PileBody 4b ... rod-shapedPileFixed to the upper end of the body (4a)Stem rootLocking
DoElementPressing piece  5 ... Protective pieces such as linen cloth 6,7 ... Supports applied to existing trees (1)

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 既成樹木(1)の中心から見てほぼ放射
状に生育した幹根(2)に対して該幹根(2)の両側
地中に上方部に弧状軸(3e)が備えられた杭体(3
a)(3a)を打込み、前記幹根(2)越しに前記弧状
軸(3e)(3e)に掛渡したワイヤー(3c)を緊締
すること、及び(又は)前記幹根(2)の側部に杭体
(4a)とこの上端に備えられる押圧片(4b)とから
なるL字型の杭(4)を打込んで該幹根(2)を該押圧
片(4b)により押圧することを特徴とする既成樹木を
強固に定置する方法。
1. An arcuate shaft (3e) is provided at an upper part in the ground on both sides of the trunk root (2) with respect to a trunk root (2) which has grown substantially radially as viewed from the center of the existing tree (1). Piles (3
a) Driving (3a), the arc shape over the trunk root (2)
Tighten the wire (3c) over the shaft (3e) (3e)
And / or a pile on the side of said stem root (2)
(4a) and a pressing piece (4b) provided at the upper end thereof
The L-shaped stake (4) and presses the stem root (2).
A method for firmly placing an existing tree, characterized by pressing with a piece (4b) .
【請求項2】 シンブル(3b)が変位及び回転自在に
支持される弧状軸(3e)を固設した体(3a)の一
対と緊締可能なワイヤー(3c)とから成り、前記一対
体(3a)(3a)に遊嵌したシンブル(3b)
(3b)相互に前記ワイヤー(3c)を掛渡して結合す
るように構成したことを特徴とする請求項1に記載の既
成樹木(1)を強固に定置する方法に使用される杭構
造。
Wherein become from the thimble arcuate shaft (3b) is supported freely displaceable and rotating pile body fixedly provided to (3e) pair and tightening possible wire (3a) (3c), the pair of pile Thimble (3b) loosely fitted to body (3a) (3a)
(3b) The pile structure used in the method for firmly placing an existing tree (1) according to claim 1, characterized in that the wires (3c) are connected to each other by bridging the wires.
【請求項3】 一端が尖鋭である棒状の体(4a)の
他端に幹根を係止する部材である押圧片(4b)を固着
したことを特徴とする請求項1に記載の既成樹木(1)
を強に定置する方法に使用される杭構造。
3. The prefabricated structure according to claim 1 , wherein a pressing piece (4b), which is a member for locking a stem root , is fixed to the other end of the rod-shaped pile body (4a) having one sharp end. Tree (1)
Pile structure for use in a method of placing the strong to solid.
JP6184195A 1994-07-04 1994-07-04 Method of firmly embedding established trees and pile structure used in this emplacement method Expired - Lifetime JP2593415B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6184195A JP2593415B2 (en) 1994-07-04 1994-07-04 Method of firmly embedding established trees and pile structure used in this emplacement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6184195A JP2593415B2 (en) 1994-07-04 1994-07-04 Method of firmly embedding established trees and pile structure used in this emplacement method

Publications (2)

Publication Number Publication Date
JPH089795A JPH089795A (en) 1996-01-16
JP2593415B2 true JP2593415B2 (en) 1997-03-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP2593415B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104160904A (en) * 2014-07-22 2014-11-26 杨兆寅 Method for transforming short-old tree low yield citrus orchard

Also Published As

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JPH089795A (en) 1996-01-16

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