CN215630877U - Low temperature resistant ALC board partition wall masonry structure - Google Patents
Low temperature resistant ALC board partition wall masonry structure Download PDFInfo
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- CN215630877U CN215630877U CN202121734067.XU CN202121734067U CN215630877U CN 215630877 U CN215630877 U CN 215630877U CN 202121734067 U CN202121734067 U CN 202121734067U CN 215630877 U CN215630877 U CN 215630877U
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Abstract
The utility model discloses a low-temperature-resistant ALC (autoclaved lightweight concrete) plate partition wall masonry structure, and aims to solve the technical problem that ALC plate partition wall masonry cannot be performed in a low-temperature environment. The structure comprises ALC boards which are sequentially spliced under corresponding structural beams at the ambient temperature of more than or equal to 5 ℃, bonding mortar is filled in joints among the ALC boards, and heat-preservation cotton felt layers are externally coated at the joint parts of the ALC boards. The method is suitable for installation and construction in a low-temperature environment and within the atmospheric temperature range of-5 ℃, so that the strength of the special bonding mortar for the ALC board meets the performance that 14d reaches 0.5MPa, and the bonding quality between the ALC boards of the lightweight concrete meets the standard quality requirement.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a low-temperature-resistant ALC plate partition wall masonry structure.
Background
The lightweight concrete ALC board (autoclaved lightweight concrete board) is a porous concrete forming board (wherein the board is reinforced by processed steel bars) which is formed by curing fly ash (or silica sand), cement, quicklime and the like serving as main raw materials through high-pressure steam; it can be used as wall material, roof board, floor board and decorative board, and is a new building material with excellent performance. The building material is widely applied to buildings such as factory buildings, libraries, markets and the like, and has the advantages of light weight, high strength, good heat preservation and sound insulation, lasting fire resistance, simple and convenient construction, environmental protection and the like.
At present, a common lightweight concrete ALC board partition wall masonry structure is mainly constructed under a higher environmental condition. In severe cold and cold areas in northern China, the temperature is lower than 0 ℃ in one year, particularly in winter for several months, so that the construction method is not suitable for building and constructing the lightweight concrete ALC plate partition wall. Therefore, the advantages of high speed and high efficiency of light concrete ALC board partition wall construction are greatly weakened.
Disclosure of Invention
The utility model aims to provide a low-temperature-resistant ALC (autoclaved lightweight concrete) board partition wall masonry structure to solve the technical problem that ALC board partition wall masonry cannot be carried out in a low-temperature environment.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the low-temperature-resistant ALC board partition wall masonry structure comprises ALC boards which are sequentially spliced under corresponding structural beams at the ambient temperature of more than or equal to 5 ℃, bonding mortar is filled in joints among the ALC boards, and heat-preservation cotton felt belts are externally coated at the joint parts of the ALC boards.
The inner and outer wind-proof materials are respectively arranged at the inner and outer sides corresponding to the door and the window opening part to form a hollow heat preservation cavity layer in a sealing way, and a cotton felt layer is laid outside the heat preservation layer.
And a double-layer cotton felt layer is arranged outside the heat-preservation cavity of the door opening needing to be constructed for access.
The bonding mortar is preheated to 10-15 ℃.
The ALC board is preheated to 10-15 ℃ before being assembled.
And moisturizing films are laid on the inner side and the outer side of the partition wall formed by splicing the ALC boards.
And the lower end of each ALC plate is filled with dry and hard cement mortar to form a plugging layer.
Temperature measuring lines are buried in the joint of the ALC board, so that the temperature of the mortar can be conveniently monitored after the ALC board is installed.
Compared with the prior art, the utility model has the main beneficial technical effects that:
the method is suitable for building construction in a low-temperature environment (atmospheric temperature condition) -5 ℃, so that the ALC board bonding mortar has the performance that the strength meets 14d and reaches 0.5MPa, the bonding quality between the lightweight concrete ALC boards can meet the standard quality requirement, and the construction period of a northern cold area is greatly prolonged.
Drawings
FIG. 1 is a schematic diagram of a low-temperature-resistant ALC (autoclaved lightweight concrete) plate partition wall masonry structure.
In the above figures, 1 is a structural beam, 2 is a moisture retention film, 3 is an ALC board, 4 is a heat preservation cotton felt belt, 5 is bonding mortar, 6 is a joint, 7 is dry and hard cement mortar, 8 is a door opening, 9 is a heat preservation cavity layer, 10 is a cotton felt layer, and 11 is a door opening cross beam.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.
Example (b): low temperature resistant ALC slab partition masonry structure, see fig. 1, includes:
the method comprises the steps that ALC boards (preheated to 10-15 ℃ C.) 3 under corresponding structural beams 1 are sequentially spliced under the condition that the ambient temperature is more than or equal to 5 ℃, bonding mortar (preheated to 10-15 ℃ C.) 5 is filled in joints 6 among the ALC boards, temperature measuring lines (convenient for monitoring the temperature of the mortar after the ALC boards are installed) are buried in the ALC board joints 6, and heat-insulating felt belts 4 are coated on the joint parts of the ALC boards. And moisturizing films 2 are laid on the inner side and the outer side of the partition wall formed by splicing the ALC boards. And the lower end of each ALC plate is filled with dry and hard cement mortar 7 to form a plugging layer.
Inner and outer wind shielding materials are respectively arranged on the inner side and the outer side of the position corresponding to the door opening 8 so as to form a hollow heat preservation cavity layer 9 in a sealing way, and a cotton felt layer 10 is laid outside the heat preservation layer.
The construction method for constructing the ALC plate partition masonry knot comprises the following steps:
(1) and (3) arrangement and typesetting of ALC (automatic level control) boards: and (4) performing wall position typesetting on the mounting position and height of the indoor autoclaved aerated concrete ALC plate and the mounting specification according to the design requirements.
(2) Heating by air heating: the indoor space to be constructed is closed, the warm air blower is arranged before construction, the warm air blower is arranged at the indoor place where the ALC plate is not installed, the indoor construction environment is heated, the indoor temperature is increased through double-air-heating circulating air flow, and the indoor environment temperature is enabled to be more than or equal to 5 ℃.
(3) Preparing a binder: before use, the temperature of the bonding mortar powder is ensured to be 10-15 ℃, and the temperature of the water for preparing the bonding agent reaches 10 ℃.
(4) Installing a partition board: the inner and outer wall panels are installed in sequence from the junction with the wall. The side of the wall panel is cleaned and brushed with floating ash, the side (the splicing surface) of the wall panel is fully scraped with bonding mortar, the panel is erected, one person pushes and squeezes the panel at one side, the other person pries the bottom end of the panel at the lower end of the panel by a crowbar, the panel is jacked up and moved up and down until the panel and the panel are tightly squeezed, and the bonding mortar is used for twisting and compacting. Before the upper end of the plate is installed, adhesive mortar is smeared, and the adhesive mortar is extruded and then is stricken off.
The beam-passing plate at the upper part of the doorway is finally placed, a shoulder opening (the width of the shoulder opening is the same as the wall thickness) is cut and sawn on the battens at the two sides of the doorway during placement, and then the actual size of the beam-passing plate is measured; when the wooden wedge is placed, two small wooden wedges are used for temporary fixation in a splicing seam, a steel bar nail is driven into a vertical seam, then the wooden wedges are withdrawn and are tightly twisted by using a binding agent, and if the wooden wedges are not withdrawn, the wooden wedges are required to be repaired. And (3) plugging the lower end of the bonded wall by using dry and hard cement mortar.
And measuring and counting the temperature of the mortar in the component through the pre-embedded temperature measuring line within 48 hours after the construction of the plate joint mortar is finished. The embedded temperature measuring line and the thermometer are matched products purchased in the market, the temperature measuring line is in a needle-shaped structure, one end of the temperature measuring line is a metal head, a conducting wire with a connector is arranged behind the metal head, and the temperature value is read by connecting the temperature measuring instrument. The metal head of the temperature measuring line is embedded into a joint of the ALC board splicing plate before grouting and pouring. And measuring the temperature while recording the internal temperature of the mortar and the external environment temperature every 2 hours.
(5) Door and window opening part sealing and heat preservation
Inner and outer layer wind shielding materials (polyethylene films with the thickness of 4 mm) are respectively paved on the inner side and the outer side of the door and window openings to form hollow air cavity heat insulation layers. And covering a cotton felt which is cut to be wider than the wind shielding material by 20cm on the outer side of the plastic cloth at the outer window of the window opening with the wind shielding material sealed, fixing the cotton felt by using steel nails and wood wedges, and tightly sealing the periphery by using an adhesive tape.
And for the door opening which needs to be accessed during construction, the heat preservation treatment is carried out in a double-layer cotton felt covering mode.
(6) Plate surface treatment: the board surface is treated to be smooth and full, a film is coated, water is sprayed for moisturizing, a 20cm wide insulation board is covered outside the board seam, and the 3-day strength of the adhesive is improved and rapidly increased; monitoring the temperature in the structure and the environment temperature of the closed area for 72 hours by using a temperature measuring instrument, and adjusting the temperature rise degree of the air heater in time to ensure that the environment temperature is above 0 ℃; and removing the heat insulation plate, cleaning a joint surface, and sticking glass fiber alkali-resistant mesh cloth.
While the utility model has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes in the details of the embodiments may be made without departing from the spirit of the utility model, and various changes in the details of construction and materials may be substituted for elements thereof to form various embodiments, which are within the scope of the utility model and are not intended to be limited to the details of the embodiments.
Claims (8)
1. The low-temperature-resistant ALC board partition wall masonry structure is characterized by comprising ALC boards which are sequentially spliced under corresponding structural beams at the ambient temperature of more than or equal to 5 ℃, bonding mortar is filled in joints among the ALC boards, and heat-preservation cotton felt belts are coated outside the joints of the ALC boards.
2. The low temperature resistant ALC board partition wall masonry structure of claim 1, characterized in that inside and outside corresponding to door, window opening position are respectively equipped with inside and outside wind shielding material to form a hollow insulation cavity layer in a sealed way and lay a cotton felt layer outside the insulation layer.
3. The low-temperature-resistant ALC board partition wall masonry structure of claim 2, characterized in that a double-layer cotton felt layer is arranged outside the heat preservation cavity of the door opening that needs to be constructed for entering and exiting.
4. The low-temperature-resistant ALC board partition wall masonry structure of claim 1, characterized in that the bonding mortar is a bonding mortar preheated to 10-15 ℃.
5. The low-temperature-resistant ALC board partition wall masonry structure of claim 1, characterized in that the ALC board is an ALC board preheated to 10-15 ℃.
6. The low-temperature-resistant ALC board partition wall masonry structure according to claim 1, characterized in that moisture-keeping films are laid on the inner and outer sides of the partition wall formed by the splicing of the ALC boards.
7. The low temperature resistant ALC board partition wall masonry structure of claim 1, characterized in that the lower end of each ALC board is filled with dry cement mortar to form a plugging layer.
8. The low-temperature-resistant ALC board partition wall masonry structure according to claim 1, characterized in that temperature measuring lines are buried in the ALC board joints to facilitate the temperature monitoring of mortar in the spliced joints after the ALC board is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734067.XU CN215630877U (en) | 2021-07-28 | 2021-07-28 | Low temperature resistant ALC board partition wall masonry structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734067.XU CN215630877U (en) | 2021-07-28 | 2021-07-28 | Low temperature resistant ALC board partition wall masonry structure |
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| Publication Number | Publication Date |
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| CN215630877U true CN215630877U (en) | 2022-01-25 |
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| CN202121734067.XU Active CN215630877U (en) | 2021-07-28 | 2021-07-28 | Low temperature resistant ALC board partition wall masonry structure |
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- 2021-07-28 CN CN202121734067.XU patent/CN215630877U/en active Active
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