CN108755576B - Method for protecting breakwater during construction of monument based on cemented block stone - Google Patents

Method for protecting breakwater during construction of monument based on cemented block stone Download PDF

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Publication number
CN108755576B
CN108755576B CN201810822477.6A CN201810822477A CN108755576B CN 108755576 B CN108755576 B CN 108755576B CN 201810822477 A CN201810822477 A CN 201810822477A CN 108755576 B CN108755576 B CN 108755576B
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water
breakwater
underwater
construction
cementing material
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CN108755576A (en
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陈汉宝
金峰
周虎
陈松贵
刘海成
刘海源
周元德
黄杜若
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Tsinghua University
Tianjin Research Institute for Water Transport Engineering MOT
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Tsinghua University
Tianjin Research Institute for Water Transport Engineering MOT
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)

Abstract

The invention provides a method for protecting a breakwater in a construction monument period based on cemented block stones, which belongs to the field of breakwater protection and comprises the following steps: determining the position of the breakwater to be protected in the monsoon period in the construction period; and a second step of: taking the stone blocks thrown and filled in the protection position as cementing objects, and determining the filling compactness of the stone blocks; and a third step of: determining the mixing ratio of the cementing material; fourth step: aiming at the underwater part, water-soluble high polymer solution is put into seawater, and meanwhile, the underwater cementing material is poured to form an underwater cementing plate; fifth step: and (3) pouring the water cementing material for the water parts, and filling partial gaps among the lump stones by the water cementing material to form the water cementing plate. The invention simplifies the temporary protection construction procedure of the breakwater, improves the construction efficiency and reduces the cost.

Description

Method for protecting breakwater during construction of monument based on cemented block stone
Technical Field
The invention belongs to the field of breakwater protection, relates to temporary breakwater protection measures, and particularly relates to a method for protecting a breakwater construction monument based on cemented block stones.
Background
The construction period of the breakwater often can be up to several years, in the sea area controlled by the monsoon, the wave conditions are divided into the monsoon period and the non-monsoon period, in the non-monsoon period, the wave height is smaller, the main period of the breakwater construction is realized, in the monsoon period, the wave height is larger, the offshore operation conditions of the breakwater often cannot be met, meanwhile, for an unfinished construction operation surface, the impact of severe sea conditions in the monsoon period cannot be resisted due to the small block weight, and therefore the unfinished construction operation surface needs to be temporarily protected.
The temporary protection measures commonly used include steel wire gabion protection, artificial face guard block protection, steel truss protection cover protection and the like, the main principle of the protection measures is that a protection structure with larger weight is utilized to protect an unfinished construction operation face, the installation of the protection structure needs larger construction machinery, moreover, after a monsoon period, the protection structure needs to be removed to push a breakwater, and the removal of the protection structure also needs to consume a large amount of manpower and material resources and occupies more construction period. Therefore, how to design a breakwater monsoon period protection measure with high construction speed and no dismantling becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the problem of providing a method for protecting a breakwater in a construction monsoon period based on cemented block stones, which has the advantages of high construction speed, no need of dismantling, simplified temporary protection construction procedures of the breakwater, improved construction efficiency and reduced cost.
In order to solve the technical problems, the invention adopts the following technical scheme: a method for protecting a breakwater construction monument based on cemented block stones comprises the following steps: determining the position of the breakwater to be protected in the monsoon period in the construction period, and dividing the position to be protected into a sub-water position and an upper-water position;
and a second step of: taking the stone blocks thrown and filled in the protection position as cementing objects, and determining the filling compactness of the stone blocks;
and a third step of: determining the mixing ratio of the underwater cementing material used by the underwater part, and determining the mixing ratio of the water cementing material used by the water part;
fourth step: aiming at the underwater part, water-soluble high polymer solution is put into seawater, meanwhile, the underwater cementing material is poured, gaps among the block stones are filled by means of self weight of the underwater cementing material, and the block stones and the underwater cementing material form an underwater cementing plate;
fifth step: and (3) pouring the water cementing material for the water parts, and filling partial gaps among the lump stones by the water cementing material to form the water cementing plate.
Further, the block stone is breakwater cushion stone or dyke core stone.
Further, the weight of the cushion stone is 1000-2000kg, and the weight of the dyke core stone is 100-1000kg.
Further, the protection position is a dyke head or a dyke body of the breakwater during the construction period.
Further, the packing compactness of the underwater cemented plate and the water cemented plate ranges from 30% to 70%.
Further, the underwater cementing material and the water cementing material are one of self-compacting concrete, self-compacting mortar or self-compacting clean mortar, slump test values of the underwater cementing material and the water cementing material are more than or equal to 210mm, and expansion test values are more than or equal to 540mm.
Furthermore, the water-soluble high-molecular polymer solution can be put in by means of land pumping or a water construction ship, and the putting area of the water-soluble high-molecular polymer solution is larger than the paving area of the maximum section of the rock block.
Further, the underwater cementing material is delivered to the surface of the rock block underwater by a conduit or pump.
Further, the above water cementing material is delivered to the surface of the rock block on water by pumping or concrete tanker pipeline.
Further, the water cementing material and the underwater cementing material are both water permeable glue.
Compared with the prior art, the invention has the advantages and positive effects that: the invention fully utilizes the stone blocks which are already thrown and filled in the protection position, adopts the high-fluidity cementing material and pours the high-fluidity cementing material into gaps of the stone blocks, controls the thickness of the cemented stone blocks by adjusting the mixing ratio of the cementing material, and forms a cemented permeable protection structure, which is a protection measure based on the cemented stone blocks in the monsoon period of the breakwater.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic structural view of the application state of the method for protecting the construction of the breakwater based on the cemented block stone in the season.
Reference numerals:
1-a water-borne cementitious material; 2-water-soluble high molecular polymer solution; 3-stone blocks; 4-a protective position; 5-underwater cementing material.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the invention provides a method for protecting a breakwater construction monument based on cemented block stone, which comprises the following steps: determining the position of the breakwater to be protected in the monsoon period in the construction period, and dividing the position to be protected into a sub-water position and an upper-water position;
and a second step of: taking the stone blocks 3 thrown and filled in the protection positions 4 as cementing objects, and determining the filling compactness of the stone blocks 3;
and a third step of: determining the mixing ratio of the underwater cementing material 5 used in the underwater part and determining the mixing ratio of the water cementing material 1 used in the water part;
fourth step: aiming at the underwater part, water-soluble high polymer solution 2 is put into seawater, meanwhile, underwater cementing materials 5 are poured, gaps among the block stones 3 are filled by the underwater cementing materials 5, and the block stones 3 and the underwater cementing materials form underwater cementing plates;
fifth step: for the water position, pouring water cementing material 1, and filling partial gaps among the block stones 3 by the water cementing material 1 to form the water cementing plate.
Preferably, the block stone 3 is breakwater cushion stone or dyke core stone, and the two materials can improve the bearing capacity, reduce the settlement, have good water permeability, can quickly dissipate the pressure of the gap water below the block stone, avoid the plastic damage of the breakwater, and can accelerate the consolidation of the weak soil layer below the block stone 3 and the improvement of the strength of the weak soil layer; more preferably, the weight of the cushion stone is 1000-2000kg, the weight of the dyke core stone is 100-1000kg, and the cushion stone is large, stable and good in protection.
Preferably, the protection position 4 is a embankment head or an embankment body of the breakwater in the construction period, which is the area with the greatest and most frequent impact of water flow, belongs to the fragile area, and is protected in a targeted manner, so that the overall stability performance can be improved.
Preferably, the underwater consolidated and above water consolidated panels have a packing density in the range of 30% to 70%, preferably 52%, the overall strength being most stable.
Preferably, the underwater cementing material 5 and the water cementing material 1 are one of self-compacting concrete, self-compacting mortar or self-compacting clean mortar, the slump test value of the underwater cementing material 5 and the water cementing material 1 is more than or equal to 210mm, and the expansion test value is more than or equal to 540mm.
Preferably, the water-soluble high polymer solution 2 can be put in by land pumping or a water construction ship, and the put-in area of the water-soluble high polymer solution 2 is larger than the paving area of the maximum section of the block stone 3, so that the underwater cementing material 5 can be better combined with the underwater block stone 3, and the cementing process influenced by seawater substances is avoided.
Preferably, the underwater cementing material 5 is conveyed to the surface of the underwater stone block 3 through a conduit or a pump, and can be finished through other underwater conveying modes, so that the underwater cementing material 5 can be ensured to smoothly reach the preset surface of the stone block 3; more preferably, the water cementing material 1 is transported to the surface of the water rock block 3 by pumping or by a concrete tank truck pipeline, the concrete tank truck is adopted in a simple manner, and the storage capacity is large.
Preferably, the water cementing material 1 and the underwater cementing material 5 are water-permeable glue and high-fluidity glue, so that the water-permeable glue is easy to pour, good water permeability is ensured, water can pass through gaps of the block stones 3 in time in the water flowing process, the impact force on the formed water cementing plate and the underwater cementing plate is greatly reduced, and the stability of the whole structure is improved.
In the actual working process, the method is strictly carried out according to the steps, ensures that each link reaches a preset parameter value, and has the advantages of simplicity and convenience in construction, material saving, high safety guarantee rate, no need of dismantling after the period of the monsoon and the like.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (10)

1. The method for protecting the breakwater during the construction of the breakwater based on the cemented block stone is characterized by comprising the following steps of:
the first step: determining the position of the breakwater to be protected in the monsoon period in the construction period, and dividing the position to be protected into a sub-water position and an upper-water position;
and a second step of: taking the stone blocks thrown and filled in the protection position as cementing objects, and determining the filling compactness of the stone blocks;
and a third step of: determining the mixing ratio of the underwater cementing material used by the underwater part, and determining the mixing ratio of the water cementing material used by the water part;
fourth step: aiming at the underwater part, water-soluble high polymer solution is put into seawater, meanwhile, the underwater cementing material is poured, gaps among the block stones are filled by means of self weight of the underwater cementing material, and the block stones and the underwater cementing material form an underwater cementing plate;
fifth step: and (3) pouring the water cementing material for the water parts, and filling partial gaps among the lump stones by the water cementing material to form the water cementing plate.
2. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the block stone is breakwater cushion stone or dyke core stone.
3. The method for protecting the construction of the breakwater in the season based on the cemented block stone, according to claim 2, is characterized in that: the weight of the cushion stone is 1000-2000kg, and the weight of the dyke core stone is 100-1000kg.
4. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the protection position is a dyke head or a dyke body of the breakwater in the construction period.
5. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the packing compactness of the underwater cementing plate and the water cementing plate ranges from 30% to 70%.
6. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the underwater cementing material and the water cementing material are one of self-compacting concrete, self-compacting mortar or self-compacting clean mortar, slump test values of the underwater cementing material and the water cementing material are more than or equal to 210mm, and expansion test values are more than or equal to 540mm.
7. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the water-soluble high-molecular polymer solution can be put in by means of land pumping or a water construction ship, and the putting area of the water-soluble high-molecular polymer solution is larger than the paving area of the maximum section of the rock block.
8. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the underwater cementing material is delivered to the surface of the rock block underwater by a conduit or pump.
9. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the above-water cementing material is transported to the surface of the stone block on water by pumping or concrete tank truck pipeline.
10. The method for protecting the construction of the breakwater in the season based on the cemented block stone, which is characterized by comprising the following steps of: the water cementing material and the underwater cementing material are water-permeable glue.
CN201810822477.6A 2018-07-24 2018-07-24 Method for protecting breakwater during construction of monument based on cemented block stone Active CN108755576B (en)

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CN113605315B (en) * 2021-07-30 2022-08-12 海南大学 Seawall construction device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200992694Y (en) * 2006-12-18 2007-12-19 辽河石油勘探局 Artificial island winter downtime protection net device
JP2016211312A (en) * 2015-05-13 2016-12-15 田中 和雄 Construction of hybrid tsunami embankment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103556639B (en) * 2013-10-09 2015-05-27 清华大学 Construction method for underwater non-dispersible cement-based self-compaction material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200992694Y (en) * 2006-12-18 2007-12-19 辽河石油勘探局 Artificial island winter downtime protection net device
JP2016211312A (en) * 2015-05-13 2016-12-15 田中 和雄 Construction of hybrid tsunami embankment

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