Bionic filling method of gradient of tree body hole

Abstract

The invention relates to a bionic filling method of the gradient of a tree body hole, which comprises the following steps: tree hole clearing: removing impurities in the tree hole; tree hole sterilizing: spraying or smearing the water solution of copper sulfate; slurry preparing: mixing an inorganic adhesive and a wood unit formed by mixing wood fiber and wood wool to prepare coarse slurry, and mixing the inorganic adhesive and a wood unit of wood powder to prepare fine slurry; slurry filling: respectively filling the coarse slurry and the fine slurry to the inner layer and the outer layer of the tree hole by using the central axis of the tree body as a symmetric line, and under the action of gravity, the slurry is in gradient distribution in the vertical direction of the tree hole; slurry solidifying: after the slurry is filled layer by layer, bonding the slurry with the hole wall into a whole; and simulation decorating: bonding a layer of real tree bark on the solidified filling material. Thus, the solidified filling material and the tree body filled with the filling material have the same gradient distribution rules of density and strength, thereby being more close to the flexibility of the tree body.

Description

technical field [0001] The invention relates to a gradient filling method for hollows in trees, in particular to a gradient filling method for hollows in ancient trees over a hundred years old. Background technique [0002] As we all know, trees (especially old trees over a hundred years old) grow weaker with age and growth, or due to other human factors, the xylem is easy to rot and form cavities, and some even reach the roots, forming Extra large tree hole (hollow). Due to the rot of the xylem and the influence of water, it is easy to cause the reproduction of fungi, further expand the cavity, seriously reduce the growth force and weaken the growth potential, reduce the load capacity of the trunk, and shorten the life span of the tree. If the tree hole is not filled in time, the trunk will be scraped off, and in severe cases, tourists will be injured. [0003] Tree hole filling is an important work in tree (old tree) conservation measures, and it is also an effective mea...

AI Technical Summary

Problems solved by technology

There are two traditional methods for filling tree holes: one is the masonry stacking method, where layers of bricks and stones are piled up, and the exterior is painted; in this method, the expansion coefficient of cement and lime is inconsistent with the change of the tree body, and it is easy to produce Cracks, water seeps into tree holes through cracks, and after the tree absorbs water, it will accelerate the decay of the tree

Another method is the watering method attached to the body. The shell board is made according to the tree body, and after the vertical steel bar is tied inside, concrete (the mixture of small gravel and cement is 3:1) or polyurethane hard foam material is poured, compacted and Molding, such as Chinese patents CN02124060.4 and CN200510086727.7; there will be cracks between the living tree body and the filling, and water will accumulate in the cracks, bacteria, insects, etc. will immerse, and the xylem will rot, and the rot must be removed. For wood and insect damage, the original cushion must be knocked out and filled again; and the cost of filling with polyurethane rigid foam material is high, and the support strength is not enough

Both of the above two tree hole filling methods have the inconsistency between the filling material and the tree itself, and the combination is not tight. Not only often there are phenomena such as shedding or cracking, but also the growth potential of the tree itself is affected.

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