CN111591389A - Floating floor structure and construction process thereof - Google Patents

Floating floor structure and construction process thereof Download PDF

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Publication number
CN111591389A
CN111591389A CN202010358783.6A CN202010358783A CN111591389A CN 111591389 A CN111591389 A CN 111591389A CN 202010358783 A CN202010358783 A CN 202010358783A CN 111591389 A CN111591389 A CN 111591389A
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Prior art keywords
deck
layer
rock wool
coating
steel plate
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CN202010358783.6A
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Chinese (zh)
Inventor
刘华忠
曹学波
曹本恕
刘华贵
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Hubei Yite New Material Technology Co ltd
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Hubei Yite New Material Technology Co ltd
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Priority to CN202010358783.6A priority Critical patent/CN111591389A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/48—Decks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/50—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by forming methods, e.g. manufacturing of curved blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/108—Rockwool fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to a floating floor structure, a rock wool layer arranged on a deck, a waterproof membrane fixed on the surface of the rock wool layer, a deck dressing layer arranged on the surface of the waterproof membrane, a steel wire mesh embedded in the deck dressing layer, the rock wool layer filled in the contact position of the deck and a bulkhead, the waterproof membrane arranged in the contact position of the rock wool layer and the deck dressing layer, a steel plate arranged at the bottom of the rock wool layer, a damping coating coated on the surface of the steel plate, the steel plate fixed on the deck through the damping coating, the rock wool layer fixed on the bulkhead through the damping coating, and wear-resistant layers arranged at the top and the side surfaces of the deck dressing layer; the construction process of the floating floor structure comprises the following steps: cleaning the surface of the deck base material; curing and molding the damping coating; paving a rock wool layer; laying a waterproof film; laying a steel wire mesh; forming and processing a deck coating layer; sealing glue on the top of the rock wool layer. The floor structure damping coating processed by the process is firmly bonded with the steel plate; the surface of the dressing is smooth; no crack and no separation; the hardening was good.

Description

Floating floor structure and construction process thereof
Technical Field
The invention relates to the technical field of ship noise control, in particular to a floating floor structure and a construction process thereof.
Background
During the ship navigation, the large vibration and noise from the ship bottom to the ship bottom reach the bottom of the cabin, and the great influence is generated on the physiology and the psychology of people in the cabin. When a ship sails in humid marine climate for a long time, the humidity in a cabin is usually high, air condensate water easily flows into a gap between an acoustic board or a damping board decorated on a deck and a steel surrounding wall under the influence of cabin air conditioning operation and environment, the problem of water inlet corrosion of the damping board and the acoustic board exists, and necessary measures for vibration reduction, sound insulation and noise reduction are required to be taken to prevent noise and vibration when the use of the damping board and the acoustic board is influenced. The tradition mode is mainly to adopt shock attenuation board and abatvoix decoration on the deck, after later stage transformation, at present mainly adopt floating floor to install, the marginal position on floating floor generally can fill the rock wool, the effect that the rock wool played is fallen and makes an uproar, it is insulating, prevent fires, keep apart with the bulkhead, alleviate the noise that comes from the bulkhead, but the rock wool is after floating floor's clearance is filled, there is the insecure and easy problem of aversion of filling, in addition, present floating floor is after the installation, there is the problem of surface deck dressing wearing and tearing easily, the problem that the unevenness appears in the surface that leads to floating floor, this patent improves to floating floor's above defect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a floating floor structure and a construction process thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a floating floor structure comprises a rock wool layer arranged on a deck, a waterproof membrane fixed on the surface of the rock wool layer, a deck dressing layer arranged on the surface of the waterproof membrane, a steel wire mesh embedded in the deck dressing layer, the rock wool layer filled in the contact position between the deck and a bulkhead, the waterproof membrane arranged in the contact position between the rock wool layer and the deck dressing layer, a steel plate arranged at the bottom of the rock wool layer, a damping coating coated on the surface of the steel plate, a steel plate fixed on the deck through the damping coating, the rock wool layer fixed on the bulkhead through the damping coating, a wear-resistant layer arranged on the top and the side of the deck dressing layer, and a plurality of reinforcing connecting plates embedded in the deck dressing layer;
the corner pressing mechanism comprises a corner pressing plate, an embedded pressing block is arranged at the bottom of the corner pressing plate, the embedded pressing block extends into a gap between the bulkhead and the wear-resistant layer and presses the rock wool, connecting parts are arranged on two sides of the corner pressing plate, and the two connecting parts are respectively attached to the surfaces of the bulkhead and the wear-resistant layer and fixed through screws.
Furthermore, the top of the rock wool layer is sealed through sealing glue, and the embedded pressing block is pressed on the top of the sealing glue.
Further, the cross-section of stiffened connecting plate is the T type, stiffened connecting plate and wearing layer integrated into one piece, and the material of wearing layer is the steel sheet, and the extending direction of stiffened connecting plate is unanimous with the extending direction of corner pressure strip.
The construction process of the floating floor structure comprises the following steps:
a. firstly, the surface of a deck substrate is ensured to be free of rust, dust, oil stain and water;
adding A, B components of the noise-reducing damping paste into a material mixing barrel, stirring for 2-3 minutes, enabling the mixed material to be a high-viscosity thick paste to form a damping coating, quickly feeding in the coating and scraping process of the damping coating, uniformly spreading, repeatedly collecting and scraping, generally leveling according to the thickness required by design, and standing and curing;
the damping coating must be curled, the height of the curled edge is not less than 50mm, when the steel plate is laid, the steel plate is laid when the viscosity is maximum after the steel plate is solidified for two hours, and the steel plate and the damping coating are ensured to be firmly adhered;
b. firstly, paving rock wool on the solidified bottom damping coating or steel plate, and then paving a waterproof film on the rock wool, wherein the lap joint width of the waterproof film is not less than 100mm, and the turning height of the peripheral edge film is not less than 60 mm; laying a steel wire mesh on the laid waterproof film, wherein the lapping width of the steel wire mesh is not less than 50mm, the number of lapping layers is not more than 3, and the lapping part is firmly bound by thin iron wires;
c. the deck dressing material is prepared from a component A and a component B in a ratio of 1: 10, and the glue is stirred on site: pouring the component B onto deck, turning with shovel, adding proper amount of water, drawing the mixture to required thickness, lifting the steel wire net for 10mm, kneading the mixture with wooden trowel to form the deck dressing layer, and cutting off the excessive part of the waterproof film.
Furthermore, when the dressing is formed, the reinforcing connecting plate is embedded in the deck dressing layer and is pressed on the surface of the deck dressing layer through the wear-resistant layer.
Further, when the deck coating layer is formed and processed, the construction environment of the coating is 5-35 ℃, when the construction environment temperature is lower than 5 ℃, heat preservation measures are taken, and when the construction environment temperature is higher than 35 ℃, water sprinkling and aeration cooling measures are taken.
Furthermore, after the deck coating layer is formed, the top of the rock wool layer is sealed through glue, the corner pressing mechanism is pressed by the top of the glue, the glue is pressed by an embedded pressing block of the corner pressing mechanism, and two sides of a corner pressing plate of the corner pressing mechanism are respectively attached to the surfaces of the cabin wall and the wear-resistant layer and fixed through screws.
Furthermore, when the deck coating layer is formed and processed, the coating needs to be sprayed with water for maintenance after being hardened, and the next procedure operation is carried out after the maintenance is carried out for 2-3 days.
The invention has the beneficial effects that: the floating floor structure is composed of a damping coating and a restraining layer, wherein the restraining layer comprises a steel plate, a deck dressing layer and an embedded steel wire mesh, and has good vibration and noise reduction functions, and the vibration and noise reduction mechanism is that when a system (or a base material) generates vibration, a polymer damping coating (paste) with viscoelasticity and high internal resistance vibrates along with the base material to generate compression and extension deformation of free damping, mechanical energy of the vibration is absorbed and converted into heat energy to be consumed, so that the noise generated by the vibration is weakened; after being compounded with the constraint layer, the composite material can effectively inhibit structural vibration and noise caused by the structural vibration, and mechanical energy is converted into heat energy to be dissipated, so that the effects of shock absorption, noise reduction and sound insulation are achieved;
in order to prevent the deck dressing layer at the top from being worn, the top and the side of the deck dressing layer are provided with wear-resistant layers, the inner wall of each wear-resistant layer is provided with a plurality of reinforcing connecting plates, the reinforcing connecting plates are embedded into the deck dressing layer, the cross sections of the reinforcing connecting plates are T-shaped, the reinforcing connecting plates and the wear-resistant layers are integrally formed, the wear-resistant layers are made of steel plates, the surface of each wear-resistant layer is provided with an anti-skid groove, the wear-resistant layers are firmly installed at the top and the side of the deck dressing layer, the strength of the wear-resistant layers is high, the deck dressing layer is prevented from being worn, the integral flatness of the floating;
in addition, the bulkhead and the wear-resistant layer are tightly pressed at the top of the rock wool through a corner pressing mechanism, the corner pressing mechanism comprises a corner pressing plate, the bottom of the corner pressing plate is provided with an embedded pressing block, the embedded pressing block extends into a gap between the bulkhead and the wear-resistant layer and tightly presses the rock wool, two sides of the corner pressing plate are provided with connecting parts, the two connecting parts are respectively attached to the surfaces of the bulkhead and the wear-resistant layer and are fixed through screws, the rock wool filled in the gap between the bulkhead and the floating floor can be firmly sealed and tightly pressed by the corner pressing mechanism, the problems of overflow and displacement cannot occur, and the using effect and the filling quality of the rock wool are improved;
the floor structure damping coating processed by the process is firmly bonded with the steel plate; the surface of the dressing is smooth; no crack and no separation; the hardening was good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the corner hold-down mechanism of the present invention;
FIG. 3 is a process flow diagram of the present invention;
FIG. 4 is a graph of actual furnace temperature/time versus standard temperature/time for a fire resistance test;
FIG. 5 is a graph of actual furnace pressure/time during a refractory test;
FIG. 6 is a graph showing the average and maximum temperature rise of the backfire surface of a test piece in a fire resistance test.
Detailed Description
As shown in fig. 1 to 3, a floating floor structure comprises a rock wool layer 2 installed on a deck 1, a waterproof membrane 3 fixed on the surface of the rock wool layer 2, a deck coating layer 4 arranged on the surface of the waterproof membrane 3, a steel wire mesh 5 embedded in the deck coating layer 4, the rock wool layer 2 filled at the contact position of the deck 1 and a bulkhead 6, the waterproof membrane 3 arranged at the contact position of the rock wool layer 2 and the deck coating layer 4, a steel plate 9 arranged at the bottom of the rock wool layer 2, a damping coating coated on the surface of the steel plate 9, the steel plate 9 fixed on the deck 1 through the damping coating 7, the rock wool layer 2 fixed on the bulkhead 6 through the damping coating 7, a wear-resistant layer 10 arranged at the top and the side of the deck coating layer 4, a plurality of reinforcing connecting plates 11 arranged on the inner wall of the wear-resistant layer 10, and the reinforcing connecting plates 11 embedded; the cross-section of the reinforcing connecting plate 11 is T-shaped, the reinforcing connecting plate 11 and the wear-resistant layer 10 are integrally formed, the wear-resistant layer 10 is made of steel plates, and the surface of the wear-resistant layer 10 is provided with anti-skidding grooves.
The rock wool (ceramic wool) adopted by the rock wool layer 2 is in a fiber cotton shape prepared by melting quartz sand, feldspar, sodium silicate, boric acid and other raw materials at high temperature, and has the effects of heat preservation, heat insulation and fire resistance; the deck dressing is prepared from natural mineral substances, emulsion glue, cement and the like, and has the advantages of insulation, sound insulation, incombustibility, fire resistance and the like;
further, the space between the bulkhead 6 and the wear-resistant layer 10 is compressed at the top of the rock wool through a corner compression mechanism 8, the corner compression mechanism comprises a corner compression plate 81, an embedded compression block 82 is arranged at the bottom of the corner compression plate 81, the embedded compression block 82 extends into a gap between the bulkhead 6 and the wear-resistant layer 10 and compresses the rock wool layer 2, connecting portions 83 are arranged on two sides of the corner compression plate 81, and the two connecting portions 83 are respectively attached to the surfaces of the bulkhead 6 and the wear-resistant layer 10 and fixed through screws 84.
Further, the top of rock wool layer 2 is sealed through gluing 12, and embedding compact heap 82 compresses tightly at the top of gluing 12.
The cross section of the corner pressing plate 81 is triangular, and the connecting portions 83 on the two sides of the corner pressing plate 81 are transited through arcs 85.
The cross-section of gusset 11 is the T type, and gusset 11 and wearing layer 10 integrated into one piece, the material of wearing layer 10 are the steel sheet, and the extending direction of gusset 11 is unanimous with the extending direction of corner pressure strip 81. The surface of the wear-resistant layer 10 is provided with anti-slip grooves, and the corner pressing plates 81 and the embedded pressing blocks 82 are integrally formed.
The material parameters of the patent are as follows:
name of Material Model number Specification of Unit of
Damping coating YT-Z2 1.5-2 mm
Steel plate - 1-3 mm
Rock wool (ceramic)Cotton) 600×1000 20-50 mm
Waterproof film - ≥0.08 mm
Steel wire mesh 50×50 ф3 mm
Deck dressing YT-Q2(A60) 30-50 mm
The material properties of this patent are specifically as follows:
Figure BDA0002474353600000051
Figure BDA0002474353600000061
the technical indexes of the floating floor structure are as follows:
Figure BDA0002474353600000062
it should be noted that the deck covering referred to in the present application belongs to the prior art, and the specific components refer to "a 60-grade light fire-resistant deck covering" disclosed in chinese patent publication No. CN 103172329A;
the dressing consists of a component A and a component B, wherein the mass ratio of the component A to the component B is 1: 6-1: 8, wherein the component A is neoprene latex, the component B is composed of ordinary silica 42.5 cement, large ceramsite, small ceramsite, large vermiculite and small vermiculite, the particle size of the large ceramsite is 2-5 mm, the particle size of the small ceramsite is 0.5-2 mm, the particle size of the large vermiculite is 2-4 mm, the particle size of the small vermiculite is 0.2-2 mm, and the component B comprises the following components in parts by weight: 42.5 percent of ordinary silica cement, 50 to 55 percent of large ceramsite, 20 to 25 percent of large ceramsite, 5 to 10 percent of small ceramsite, 14 to 20 percent of large vermiculite and 5 to 10 percent of small vermiculite.
In addition, the damping coating related in the application belongs to the prior art, and specific components of the damping coating refer to 'a noise reduction damping paste and a preparation method thereof' disclosed in Chinese patent publication No. CN 103360938A.
The noise reduction damping coating is formed by mixing and stirring a component A and a component B, wherein the component A accounts for 30-50%, and the balance is the component B; the component A is synthesized by the following substances through reaction, and the substances and the mass percentages thereof are as follows: polyether 200040-45%, polyether 305040-45%, TDI 15-20%; the component B consists of the following substances in percentage by mass in the component A: 35 to 45 percent of hydrated alumina, 35 to 45 percent of mica powder, 4 to 6 percent of white carbon black, 4 to 6 percent of carbon black, 0.5 to 1.5 percent of silicone oil, 0.5 to 1.5 percent of ethylene glycol, 8 to 12 percent of dibutyl ester and 3 to 5 percent of Moka.
The floating floor structure is composed of a damping coating 7 and a restraining layer, wherein the restraining layer comprises a steel plate 9, a deck coating layer 4 and an embedded steel wire mesh 5, and has good vibration and noise reduction functions, and the vibration and noise reduction mechanism is that when a system (or a base material) vibrates, a high-molecular damping coating (paste) with viscoelasticity and high internal resistance vibrates along with the base material to generate compression and stretching deformation of free damping, mechanical energy of vibration is absorbed and converted into heat energy to be consumed, so that noise generated by vibration is weakened; after being compounded with the constraint layer, the composite material can effectively inhibit structural vibration and noise caused by the structural vibration, and mechanical energy is converted into heat energy to be dissipated, so that the effects of shock absorption, noise reduction and sound insulation are achieved;
in order to prevent the deck coating layer 4 at the top from being worn, the top and the side surfaces of the deck coating layer 4 are provided with wear-resistant layers 10, the inner wall of each wear-resistant layer 10 is provided with a plurality of reinforcing connecting plates 11, and the reinforcing connecting plates 11 are embedded into the deck coating layer 4; the cross section of the reinforcing connecting plate 11 is T-shaped, the reinforcing connecting plate 11 and the wear-resistant layer 10 are integrally formed, the wear-resistant layer 10 is made of a steel plate, the surface of the wear-resistant layer 10 is provided with anti-skidding grooves, the wear-resistant layer 10 is firmly installed at the top and the side surface of the deck coating layer 4, the strength of the wear-resistant layer 10 is high, the deck coating layer 4 is prevented from being abraded, the integral flatness of the installed floating floor is improved, and the anti-skidding effect is achieved;
in addition, the top of the rock wool layer 2 is compressed tightly between the bulkhead 6 and the wear-resistant layer 10 through the corner compression mechanism 8, the corner compression mechanism comprises a corner compression plate 81, an embedded compression block 82 is arranged at the bottom of the corner compression plate 81, the embedded compression block 82 extends into the gap between the bulkhead 6 and the wear-resistant layer 10 and compresses the rock wool layer 2, connecting portions 83 are arranged on two sides of the corner compression plate 81, the two connecting portions 83 are respectively attached to the surfaces of the bulkhead 6 and the wear-resistant layer 10 and fixed through screws 84, the rock wool filled in the gap between the bulkhead 6 and the floating floor can be firmly sealed and compressed by the corner compression mechanism, the problems of overflow and displacement cannot occur, and the using effect and the filling quality of the rock wool are improved.
Further, the construction process of the floating floor structure comprises the following steps:
a. firstly, the surface of a base material of a deck 1 is ensured to be free of rust, dust, oil stain and water;
adding A, B components of the noise-reducing damping paste into a material mixing barrel, stirring for 2-3 minutes, enabling the mixed material to be a high-viscosity thick paste to form a damping coating, quickly feeding in the coating and scraping process of the damping coating, uniformly spreading, repeatedly collecting and scraping, generally leveling according to the thickness required by design, and standing and curing;
the specific composition of the damping coating 7 is as follows:
Figure BDA0002474353600000081
the damping coating 7 is black in appearance after being formed; after the damping material is self-leveling and solidified, the end surface is smooth and flat and trimmedThe rubber is tidy and has no influence on the use performance and the rubber is unfilled corner; the glue lacking area caused by impurities, bubbles and water lines on the end surface is not more than 9mm2The depth is not more than 0.5mm, each block is not more than two parts, and the working surface is not provided with a spongy object.
The basic physical property indexes of the damping coating 7 are as follows:
Figure BDA0002474353600000082
Figure BDA0002474353600000091
the damping coating 7 must be curled, the height of the curled edge is not less than 50mm, when the steel plate 9 is laid, the steel plate 9 is laid when the viscosity is maximum after the steel plate 9 is solidified for two hours, and the steel plate 9 and the damping coating 7 are ensured to be firmly adhered;
b. firstly, paving rock wool on the solidified bottom damping coating 7 or the steel plate 9 to form a rock wool layer 2, and then paving a waterproof film 3 on the rock wool, wherein the lap joint width of the waterproof film 3 is not less than 100mm, and the turning height of the peripheral edge film is not less than 60 mm; laying a steel wire mesh 5 on the laid waterproof film 3, wherein the lapping width of the steel wire mesh 5 is not less than 50mm, the number of lapping layers is not more than 3, and the lapping part is firmly bound by thin iron wires;
c. the deck dressing material is prepared from a component A and a component B in a ratio of 1: 10, and the glue is stirred on site: pouring the component B onto a deck, turning over the component B by using a shovel, uniformly adding a proper amount of water (according to the dryness and humidity of the on-site dressing), fully and uniformly stirring, leveling the stirred dressing to a specified thickness by using a guiding rule, lifting the steel wire mesh 5 by 10mm, repeatedly kneading the dressing by using a wood trowel to form a deck dressing layer 4, and cutting off the redundant part of the waterproof membrane 3 along the bulkhead by using a knife after the dressing is fully and finally set.
Wherein, when the dressing is formed, the reinforcing connecting plate 11 is embedded in the deck dressing layer 4 and is pressed on the surface of the deck dressing layer 4 through the wear-resistant layer 10.
When the deck dressing layer 4 is formed and processed, the dressing construction environment is 5-35 ℃, when the construction environment temperature is lower than 5 ℃, heat preservation measures are taken, and when the construction environment temperature is higher than 35 ℃, water sprinkling and ventilation cooling measures are taken. When the deck coating layer 4 is formed and processed, after the coating is hardened, water is sprayed on the surface of the coating for maintenance, and the next procedure operation is carried out after the maintenance is carried out for 2-3 days.
After the deck coating layer 4 is formed, the top of the rock wool layer 2 is sealed through the sealant 12, the top of the sealant 12 compresses the corner pressing mechanism, the embedded pressing block 82 extends into a gap between the bulkhead 6 and the wear-resistant layer 10 and compresses the sealant 12, two sides of the corner pressing plate 81 are provided with connecting parts 83, and the two connecting parts 83 are respectively attached to the surfaces of the bulkhead 6 and the wear-resistant layer 10 and fixed through screws 84.
When the floor is subjected to a fire resistance test, one side of the steel plate is a fire receiving surface, the top surface of the dressing is a back fire surface, the graph of the actual furnace temperature/time relative to the standard temperature/time is shown in FIG. 4, the graph of the actual furnace pressure/time is shown in FIG. 5, and the graph of the average and maximum temperature rise of the back fire surface of the sample is shown in FIG. 6. The test results show that the floor is a fire-resistant floating floor of grade A60.
The structure after the patent is compounded not only has the relevant performance and mechanism of a single material, but also can reach 55dB at the lowest by the air sound insulation coefficient detection of a noise detection authority department on the whole structure, and has a high sound insulation effect; meanwhile, the structure passes the fire resistance test of the far east fire-proof center of Shanghai code of China Classification, and is A60-grade fire-resistant floating floor. The sound insulation board is mainly suitable for the deck of the cabin or the part close to the cabin, and can be used for areas with higher requirements on sound insulation, and also can be used for kitchens or other wet areas. Such as: middle deck, main deck, etc.

Claims (8)

1. A floating floor structure is characterized in that a rock wool layer is installed on a deck, a waterproof membrane is fixed on the surface of the rock wool layer, a deck dressing layer is arranged on the surface of the waterproof membrane, a steel wire mesh is embedded in the deck dressing layer, the rock wool layer is filled in the contact position of the deck and a bulkhead, the waterproof membrane is arranged in the contact position of the rock wool layer and the deck dressing layer, a steel plate is arranged at the bottom of the rock wool layer, damping coating is coated on the surface of the steel plate, the steel plate is fixed on the deck through the damping coating, the rock wool layer is fixed on the bulkhead through the damping coating, wear-resistant layers are arranged at the top and the side faces of the deck dressing layer, a plurality of reinforcing connecting plates are arranged on the inner wall of;
the corner pressing mechanism comprises a corner pressing plate, an embedded pressing block is arranged at the bottom of the corner pressing plate, the embedded pressing block extends into a gap between the bulkhead and the wear-resistant layer and presses the rock wool, connecting parts are arranged on two sides of the corner pressing plate, and the two connecting parts are respectively attached to the surfaces of the bulkhead and the wear-resistant layer and fixed through screws.
2. The floating floor structure according to claim 1, wherein the top of the rock wool layer is sealed by an adhesive, and the embedded compression block is compressed on the top of the adhesive.
3. The floating floor structure according to claim 1, wherein the cross-section of the reinforcing connecting plate is T-shaped, the reinforcing connecting plate is integrally formed with the wear-resistant layer, the wear-resistant layer is made of steel plate, and the extending direction of the reinforcing connecting plate is consistent with the extending direction of the corner pressing plate.
4. A construction process of a floating floor structure is characterized by comprising the following steps:
a. firstly, the surface of a deck substrate is ensured to be free of rust, dust, oil stain and water;
adding A, B components of the noise-reducing damping paste into a material mixing barrel, stirring for 2-3 minutes, enabling the mixed material to be a high-viscosity thick paste to form a damping coating, quickly feeding in the coating and scraping process of the damping coating, uniformly spreading, repeatedly collecting and scraping, generally leveling according to the thickness required by design, and standing and curing;
the damping coating must be curled, the height of the curled edge is not less than 50mm, when the steel plate is laid, the steel plate is laid when the viscosity is maximum after the steel plate is solidified for two hours, and the steel plate and the damping coating are ensured to be firmly adhered;
b. firstly, paving rock wool on the solidified bottom damping coating or steel plate, and then paving a waterproof film on the rock wool, wherein the lap joint width of the waterproof film is not less than 100mm, and the turning height of the peripheral edge film is not less than 60 mm; laying a steel wire mesh on the laid waterproof film, wherein the lapping width of the steel wire mesh is not less than 50mm, the number of lapping layers is not more than 3, and the lapping part is firmly bound by thin iron wires;
c. the deck dressing material is prepared from a component A and a component B in a ratio of 1: 10, and the glue is stirred on site: pouring the component B onto deck, turning with shovel, adding proper amount of water, drawing the mixture to required thickness, lifting the steel wire net for 10mm, kneading the mixture with wooden trowel to form the deck dressing layer, and cutting off the excessive part of the waterproof film.
5. The process of claim 4, wherein the overlay is formed by embedding the reinforcing connector boards in the deck overlay and pressing the reinforcing connector boards against the surface of the deck overlay through the wear layer.
6. The construction process of a floating floor structure according to claim 4, wherein when the deck coating layer is formed and processed, the coating construction environment is 5 ℃ to 35 ℃, when the construction environment temperature is lower than 5 ℃, heat preservation measures are taken, and when the construction environment temperature is higher than 35 ℃, water spraying and ventilation cooling measures are taken.
7. The floating floor structure construction process according to claim 5, wherein after the deck coating layer is formed, the top of the rock wool layer is sealed by glue, the top of the glue presses the corner pressing mechanism, the embedded pressing block of the corner pressing mechanism presses the glue, and two sides of the corner pressing plate of the corner pressing mechanism are respectively attached to the surface of the bulkhead and the surface of the wear-resistant layer and are fixed by screws.
8. The construction process of a floating floor structure according to claim 5, wherein when the deck coating layer is formed, the coating is cured and then water is sprayed on the surface for curing, and the next process operation is performed after curing for 2-3 days.
CN202010358783.6A 2020-04-29 2020-04-29 Floating floor structure and construction process thereof Pending CN111591389A (en)

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CN202010358783.6A CN111591389A (en) 2020-04-29 2020-04-29 Floating floor structure and construction process thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700243A (en) * 2022-03-29 2022-07-05 中船桂江造船有限公司 Construction method for laying deck dressing on improved damping coating surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700243A (en) * 2022-03-29 2022-07-05 中船桂江造船有限公司 Construction method for laying deck dressing on improved damping coating surface

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Application publication date: 20200828