CN109881772B - A beam-column slab house structure system - Google Patents

Abstract

The invention discloses a beam-and-column-slab type house structure system, comprising an interior wall panel, an outer wall panel and a floor slab, wherein the inner wall panel, the outer wall panel and the floor slab are all magnesium-based cement foaming At the junction of the inner wall panel and the outer wall panel, the inner wall panel is embedded in the outer wall panel or the outer wall panel is embedded in the inner wall panel The inner or the inner wall panel and the outer wall panel are integrally formed; the caulking at the junction of the adjacent floor slabs is filled with magnesium-based cement fiber material, and the magnesium-based cement fiber material will be adjacent to the floor slab. stick together. The invention does not need to cast beams and columns, not only saves a lot of man-hours, shortens the construction period, but also facilitates the recovery of building materials, reduces the amount of construction waste generated in the process of building demolition, and is beneficial to environmental protection.

Description

A beam-column slab house structure system

This application is a divisional application with an invention-creation title of "a beam-column-free slab-type house structure system", an application date of November 17, 2016, and an application number of 201611052272.1.

technical field

The invention relates to the field of construction, and more particularly, to a structural system of a beam-column-slab type house.

Background technique

Existing houses mostly use beam-and-column structure, and the beams and columns need to be poured on site, which consumes a lot of man-hours, prolongs the construction period, and is inconvenient for the recycling of building materials. Construction waste is not conducive to environmental protection. However, the house structure without beams and columns requires the walls to have good support, while the floor slabs need to have a small mass under the premise of having a certain flexural strength and flexural strength, but the existing house structures without beams and columns Due to the poor supportability of the wall panels and the high quality of the floor slabs, most of them are bungalows or two-story building structures, it is impossible to build a building structure with three or more floors, and the effective utilization of land cannot be improved.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a beam-column-free slab house structure system that does not need to cast beams and columns, which not only saves a lot of man-hours, shortens the construction period, but also facilitates the recovery of building materials and reduces the amount of construction waste generated in the process of building demolition. , is conducive to environmental protection.

To achieve the above object, the present invention adopts the following technical solutions:

A beam-column slab-type house structure system, comprising an interior wall panel, an outer wall panel and a floor slab, wherein the inner wall panel, the outer wall panel and the floor slab are all magnesium-based cement foam boards; At the junction of the inner wall panel and the outer wall panel, the inner wall panel is embedded in the outer wall panel or the outer wall panel is embedded in the inner wall panel or any The inner wall panel and the outer wall panel are integrally formed; the caulking at the junction of the adjacent floor panels is filled with magnesium-based cement fiber material, and the magnesium-based cement fiber material bonds the adjacent floor panels together .

In the above-mentioned non-beam-column-panel type house structure system, the outer surface of the junction of the adjacent outer wall panels is covered with fiber cloth.

In the above-mentioned non-beam-column panel house structure system, the inner wall panel and the outer wall panel are both single-layer wall panels; at the junction of the floor panel and the outer wall panel, the floor panel extends into the Inside the outer wall panel, and the outer side of the outer end face of the floor slab is provided with an outer wall patch panel, the outer wall patch panel is embedded in the outer wall panel, and the outer surface of the outer wall patch panel is connected to the outer wall panel. The outer facade of the outer wall panel is flush, and the outer wall patch panel is also a magnesium-based cement foam board.

In the above-mentioned non-beam-column-slab type house structure system, the inner wall panel and the outer wall panel are formed by bonding and connecting a single magnesium-based cement foam panel;

At the junction of the inner wall panel and the outer wall panel: the inner wall panel is embedded between two adjacent single magnesium-based cement foam panels of the outer wall panel, and the The outer end face of the inner wall panel is flush with the outer façade of the outer wall panel; or a T-shaped node is provided, and the T-shaped node includes a longitudinal plate and a horizontal vertical plate arranged on the outer side of the longitudinal panel. , the panel surface of the horizontal vertical panel is flush with the outer surface of the outer wall panel, and the panel surface of the longitudinal panel is flush with the panel surface of the inner wall panel; or a T-shaped node group is provided, The T-shaped node group is composed of T-shaped nodes, and the T-shaped nodes include a longitudinal plate and a horizontal vertical plate arranged on the outer side of the vertical plate, and the plate surface of the horizontal vertical plate is assembled with the outer wall. The outer surface of the vertical board is flush with the board surface of the inner wall panel, and the horizontal vertical boards of the T-shaped nodes adjacent to the top and bottom are horizontally staggered, so that one horizontal vertical board is separated from each other. A groove for accommodating the outer wall panels is formed between the two horizontal vertical panels of the panel, and the lengths of the longitudinal panels adjacent to the top and bottom are different, so that the two longitudinal panels are separated by one longitudinal panel. forming a groove for accommodating the interior wall panels;

At the junction of the exterior wall panels (200): the end face of any one of the exterior wall panels is flush with the wall surface of the other exterior wall panel (200), or an L-shaped node unit is provided.

The above-mentioned non-beam-column slab-type house structure system, the magnesium-based cement foam board is made by using the following raw materials in parts by weight through a foaming process: 40-65 parts of magnesia salt cement, 1-3 parts of foam stabilizer and foam. 3-5 parts of foaming agent;

The preparation method of the magnesia salt cement is as follows: the ratio of 100-200 mesh MgO, 100-200 mesh MgSO ₄ and H ₂ O is (7-12):1:(20-28) according to the amount of matter Mix, then add inducer, the amount of inducer is 0.5-3wt% of the total mass of MgO, MgSO ₄ and H ₂ O, stir for more than 24 hours, dry, grind, pass through a 200-mesh sieve to obtain magnesium salt cement.

In the above-mentioned non-beam-column slab house structure system, the preparation method of the inducer is as follows: 200-400 mesh talcum powder is added to the acetic acid acrylic emulsion, and the mass ratio of the talc powder to the acetic acid acrylic emulsion is (8-15): (20 -30), stirred, heated to 60-80° C. and kept for 2-5 hours, filtered and dried; an aqueous tannic acid solution was added to the obtained solid product, and the mass fraction of tannic acid in the aqueous tannic acid solution was 5-10 wt %, and the solid The mass ratio of the product to the tannic acid aqueous solution is 1:(20-30), heated to 90-100° C. and kept for 5-10 hours, filtered, dried and pulverized, and passed through a 100-mesh sieve to obtain the inducer.

In the above-mentioned non-beam-column slab house structure system, the inducer is composed of A component and B component, and the preparation method of A component is as follows: 200-400 mesh talcum powder is added to the acetone emulsion, and the talc powder and the acetonitrile The mass ratio of the emulsion is (8-15): (20-30), stirred, heated to 60-80 ° C and kept for 2-5 hours, filtered and dried; The mass fraction of tannic acid in the acid aqueous solution is 5-10wt%, the mass ratio of the solid product to the tannic acid aqueous solution is 1:(20-30), heated to 90-100 ° C and kept for 5-10 hours, filtered, dried and pulverized , and pass through a 100-mesh sieve to obtain component A; the preparation method of component B is as follows: adding 200-400 mesh fly ash to the triethanolamine aqueous solution, the mass fraction of triethanolamine in the triethanolamine aqueous solution is 3-5wt%, The mass ratio of fly ash to triethanolamine aqueous solution is 1:(10-20), stir, heat to 50-70 ° C and keep for 12-24 hours, filter and dry; add the obtained solid product to the silane coupling agent solution , the mass ratio of the solid product to the silane coupling agent solution is 1:(5-20), the mass fraction of the silane coupling agent in the silane coupling agent solution is 10-15 wt%, filter, dry and pulverize, pass 100 mesh Sieve to get B component;

First add component A, the amount of component A is 0.5-1wt% of the total mass of MgO, MgSO ₄ and H ₂ O, and stir for more than 24 hours; then add component B, and the amount of component B added is 1-2 wt% of the total mass of MgO, MgSO ₄ and H ₂ O, and stir for more than 24 hours.

The above-mentioned non-beam-column slab-type house structure system, the magnesium-based cement foam board is made by using the following raw materials in parts by weight through a foaming process: 40-65 parts of magnesium salt cement, pre-treated fly ash, stable 1-3 parts of foaming agent and 3-5 parts of foaming agent, the added amount of fly ash after pretreatment is 10-50wt% of the mass of MgO used in the preparation of magnesia salt cement;

The preparation method of the magnesia salt cement is as follows: the ratio of 100-200 mesh MgO, 100-200 mesh MgSO ₄ and H ₂ O is (7-12):1:(20-28) according to the amount of matter Mix, then add inducer, the amount of inducer is 0.5-3wt% of the total mass of MgO, MgSO ₄ and H ₂ O, stir for more than 24 hours, dry, grind, pass through a 200-mesh sieve to obtain magnesium salt Cement; Described inducer is made up of A component and B component, and the preparation method of A component is as follows: 200-400 purpose talc is added in vinegar-acrylic emulsion, and the mass ratio of talc and vinegar-acrylic emulsion is (8 -15): (20-30), stir, be heated to 60-80 ℃ and keep 2-5 hours, filter and dry; Join in the tannic acid aqueous solution in the solid product obtained, the quality of tannic acid in the tannic acid aqueous solution The fraction is 5-10wt%, the mass ratio of the solid product to the tannic acid aqueous solution is 1:(20-30), heated to 90-100 ° C and kept for 5-10 hours, filtered, dried and pulverized, and passed through a 100-mesh sieve to get The preparation method of component A; component B is as follows: adding 200-400 mesh fly ash into the triethanolamine aqueous solution, the mass fraction of triethanolamine in the triethanolamine aqueous solution is 3-5wt%, the fly ash and the triethanolamine aqueous solution The mass ratio is 1:(10-20), stirred, heated to 50-70 ° C and kept for 12-24 hours, filtered and dried; the obtained solid product was added to the silane coupling agent solution, and the solid product and the silane coupling agent The mass ratio of the coupling agent solution is 1:(5-15), the mass fraction of the silane coupling agent in the silane coupling agent solution is 10-15 wt%, filter, dry and pulverize, and pass through a 100-mesh sieve to obtain component B; The adding method of the inducer is as follows: first add component A, the amount of component A is 0.5-1wt% of the total mass of MgO, MgSO ₄ and H ₂ O, and stir for more than 24 hours; then add component B, B The added amount of the components is 1-2wt% of the total mass of MgO, MgSO ₄ and H ₂ O, and the mixture is stirred for more than 24 hours;

The preparation method of the pretreated fly ash is as follows: adding 200-400 mesh fly ash into the triethanolamine aqueous solution, the mass fraction of triethanolamine in the triethanolamine aqueous solution is 3-5 wt%, the fly ash and the triethanolamine aqueous solution The mass ratio is 1:(10-20), stirred, heated to 50-70 ° C and kept for 12-24 hours, filtered and dried; the obtained solid product was added to the silane coupling agent solution, and the solid product and the silane coupling agent The mass ratio of the coupling agent solution is 1: (5-20), the mass fraction of the silane coupling agent in the silane coupling agent solution is 10-15 wt%, filter, dry and pulverize, and pass through a 100-mesh sieve to obtain the pretreated fly ash.

The beneficial effects of the present invention are as follows:

1. The preparation route of the magnesium-based cement foam board used in the non-beam-column-slab-type house structure system in the present invention is simple, utilizes industrially discarded sulfuric acid to produce magnesium salt cement, reduces or does not use Portland cement at all, saves energy, protects the environment, and uses waste , the required raw materials are cheap and easy to obtain, and the product has a lower production cost;

2. The beam-column slab house structure system of the present invention is light in weight and high in strength, can be used as inner and outer load-bearing walls and partition walls of multi-storey houses, and has small self-weight and good seismic performance;

3. The beam-column-slab type house structure system of the present invention has small thermal conductivity, large heat capacity, good impact resistance, and good thermal insulation and sound insulation effects;

4. The beam-column-slab type house structure system of the present invention has high strength, high impact resistance and crack resistance, and can be directly painted on the surface or adhered to decorative boards, and the degree of integration of decoration is high;

5. The beam-column-slab plate house structure system of the present invention has a high degree of industrialization, engineering prefabrication, on-site assembly, fast construction speed, good plate machinability, can be sawed and nailed; low density, no need for large-scale lifting machinery, construction site Low emissions.

7. The present invention adopts a beam-and-column structure, which saves the man-hours for beam-column pouring, shortens the construction period, and reduces the construction waste generated when the building is demolished. The recycling of wall panels and floor slabs) is conducive to environmental protection.

Description of drawings

Fig. 1 is the exterior structure schematic diagram that the exterior wall panel and the interior wall panel of the non-beam-column panel house structure system of the present invention are single-layer wall panels;

Fig. 2 is a schematic diagram of the internal structure of the single-layer wall panel that the exterior wall panel and the interior wall panel of the non-beam-column panel house structure system of the present invention are both;

Fig. 3 is the structural schematic diagram at the outer corner of the single-layer wall panel that the outer wall panel and the inner wall panel of the beam-column panel house structure system of the present invention are both;

Fig. 4 is the connection structure schematic diagram of the floor slab and the outer wall assembling of the single-layer wall panel of the exterior wall panel and the interior wall panel of the beam-column panel house structure system of the present invention;

5 is a schematic diagram of the bonding connection structure between the floor slabs and the floor slabs of the single-layer wall slabs of the exterior wall panel and the interior wall panel of the beam-column panel house structural system of the present invention;

6 is a structural schematic diagram of the outside of the junction of the outer wall panel and the inner wall panel of the beam-column panel house structural system of the present invention, both of which are single-layer wall panels;

7 is a structural schematic diagram of the inner side of the junction of the outer wall panel and the inner wall panel of the beam-column panel house structural system of the present invention, both of which are single-layer wall panels;

8 is a schematic structural diagram of a T-shaped node group in which both the exterior wall panel and the interior wall panel of the beam-column panel house structural system of the present invention are single-layer wall panels;

9 is a schematic structural diagram of a T-shaped node A in which the exterior wall panel and the interior wall panel of the beam-column panel house structural system of the present invention are both single-layer wall panels;

10 is a schematic structural diagram of another T-shaped node B in which the outer wall panel and the inner wall panel of the beam-column panel house structural system of the present invention are both single-layer wall panels;

Fig. 11 is the structural schematic diagram of the junction of the outer wall panel and the inner wall panel of the beam-column panel house structure system of the present invention, both of which are single-layer wall panels;

12 is a schematic structural diagram of an L-shaped node unit C in which the exterior wall panel and the interior wall panel of the beam-column panel house structural system of the present invention are both single-layer wall panels.

In the picture: 100-interior wall panel; 200-exterior wall panel; 300-floor slab; 400-magnesium-based cement fiber material; 500-fiber cloth; 600-single magnesium-based cement foam board; 700-exterior wall patch panel ;800-T-type wall joint; 801-longitudinal base plate; 802-horizontal vertical strip plate one; 803-horizontal vertical strip plate two; 900-T type joint; 901-longitudinal plate; 902-horizontal vertical plate; ; 904-L node unit; 1000-T node group.

Detailed ways

In order to illustrate the present invention more clearly, the present invention will be further described below with reference to the preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

The preparation method of the magnesium-based cement foam board in Example 6 and Example 7 is as follows:

Example 1

(a) Preparation of foamed cement

65 kg of magnesia salt cement, 3 kg of foam stabilizer and 5 kg of foaming agent, add water according to the water-cement ratio of 0.45, and stir to make foamed cement slurry. The foam stabilizer is silicone amide; the foaming agent is sodium lauryl sulfate.

The preparation method of the magnesia salt cement is as follows: 100-200 mesh MgO, 100-200 mesh MgSO ₄ and H ₂ O are mixed according to the substance amount ratio of 9:1:25, and then an inducer is added to induce The added amount of the agent is 1 wt % of the total mass of MgO, MgSO ₄ and H ₂ O, stirred for more than 24 hours, dried, ground, and passed through a 200-mesh sieve to obtain magnesia salt cement.

The preparation method of the inducer is as follows: adding 200-400 mesh talc powder into the vinegar-acrylic emulsion, the mass ratio of the talc powder and the vinegar-acrylic emulsion is 15:22, stirring, heating to 80° C. and maintaining for 5 hours, filtering and drying Dry; add tannic acid aqueous solution to the obtained solid product, the mass fraction of tannic acid in the tannic acid aqueous solution is 8wt%, and the mass ratio of the solid product to the tannic acid aqueous solution is 1:20, heated to 90 ° C and kept for 10 hours, filtered Dry and pulverize, and pass through a 100-mesh sieve to obtain the inducer.

(b) Using foamed cement to make magnesium-based cement foam board.

Example 2

The difference between this embodiment and Embodiment 1 is:

The inducer is composed of component A and component B, and the preparation method of component A is as follows: 200-400 mesh talcum powder is added to the acetic acid acrylic emulsion, and the mass ratio of the talc powder to the acetic acid acrylic emulsion is 8:27, Stir, heat to 60 ° C and keep for 4 hours, filter and dry; add the obtained solid product to the tannic acid aqueous solution, the mass fraction of tannic acid in the tannic acid aqueous solution is 10wt%, and the mass ratio of the solid product to the tannic acid aqueous solution It is 1:30, heated to 100 ° C and kept for 5 hours, filtered, dried and pulverized, and passed through a 100-mesh sieve to obtain component A; the preparation method of component B is as follows: add 200-400 mesh fly ash to three In the ethanolamine aqueous solution, the mass fraction of the triethanolamine aqueous solution is 5wt%, and the mass ratio of the fly ash to the triethanolamine aqueous solution is 1:15, stirring, heating to 70 ° C and maintaining for 24 hours, filtering and drying; adding the obtained solid product into In the silane coupling agent solution, the mass ratio of the solid product to the silane coupling agent solution is 1:10, and the mass fraction of the silane coupling agent in the silane coupling agent solution is 10 wt %, filter, dry and pulverize, pass 100 mesh Sieve to get B component.

The method of adding the inducer is as follows: first add component A, the amount of component A is 0.5wt% of the total mass of MgO, MgSO ₄ and H ₂ O, and stir for more than 24 hours; then add component B, group B The added amount of the powder is 1 wt% of the total mass of MgO, MgSO ₄ and H ₂ O, and the mixture is stirred for more than 24 hours.

Example 3

The difference between this embodiment and Embodiment 2 is:

(a) Preparation of foamed cement

65 kg of magnesia salt cement, pre-treated fly ash, 3 kg of foam stabilizer and 5 kg of foaming agent, add water according to the water-cement ratio of 0.45, and stir to make foamed cement slurry. The added amount of the pretreated fly ash is 10 wt % of the mass of MgO used in the preparation of the magnesia salt cement.

The fly ash preparation method after the pretreatment is as follows: 200-400 mesh fly ash is joined in the triethanolamine aqueous solution, the mass fraction of the triethanolamine aqueous solution is 3wt%, and the mass ratio of the fly ash and the triethanolamine aqueous solution is 1: 12. Stir, heat to 70°C for 12 hours, filter and dry; add the obtained solid product to the silane coupling agent solution, the mass ratio of the solid product to the silane coupling agent solution is 1:16, and the silane coupling The mass fraction of the silane coupling agent in the agent solution is 15 wt %, which is filtered, dried, pulverized, and passed through a 100-mesh sieve to obtain the pretreated fly ash.

Example 4

The difference between this example and Example 1 is that no inducer is added when preparing the magnesia salt cement.

Example 5

The difference between this example and Example 4 is that the added fly ash is unpretreated fly ash.

The performance test is carried out to the magnesium-based cement foam board obtained in the embodiment 1-5, and the results are as shown in Table 1:

Table 1

It can be seen from Table 1 that the compressive strength of magnesium oxysulfate cement can be significantly enhanced after adding the inducer, especially the addition of the inducers with components A and B can further enhance the compressive strength of magnesium oxysulfide cement. Compressive strength; although the initial setting time of magnesium oxysulfide cement is prolonged after adding the inducer, the difference between the initial and final setting time is shortened, indicating that the setting effect of magnesium oxysulfide cement with the addition of inducer can accelerate the setting and hardening once it starts, which is suitable for On-site construction requiring rapid solidification.

The test method for the softening coefficient of compressive strength in Table 1 is as follows: respectively, the magnesium-based cement foam boards prepared in Example 1-Example 5 were cured for 28 days, soaked in water for 180 days, and then the compressive strength was tested respectively, calculating Compressive strength softening coefficient. Compressive strength softening coefficient = compressive strength after soaking/compressive strength before soaking.

The test method of the anti-corrosion coefficient in Table 1 is as follows: respectively, the magnesium-based cement foam boards prepared in Example 1-Example 5 were cured for 28 days, soaked in a magnesium chloride solution with a magnesium chloride mass fraction of 31 wt% for 180 days, and then The compressive strength after immersion was tested respectively, and the corrosion resistance coefficient was calculated. Corrosion resistance coefficient = compressive strength after immersion / compressive strength before immersion.

The test method of the corrosion rate of steel bars in table 1 is as follows: respectively hydrate the magnesia salt cement in Example 1-Example 5 for 200 hours, adopt CHI660C electrochemical workstation, measure steel bars in magnesia salt by means of two-electrode linear polarization method Corrosion current and corrosion rate in cement.

Example 6

As shown in FIG. 1 to FIG. 5 , the structural system of the non-beam-column panel house in this embodiment includes an interior wall panel 100 , an exterior wall panel 200 and a floor panel 300 . The interior wall panel 100 and the outer wall panel 200 and the floor slab 300 are both magnesium-based cement foam boards; at the junction of the inner wall panel 100 and the outer wall panel 200, the inner wall panel 100 is embedded in the outer wall panel 200 The inner or outer wall panels 200 are embedded in the inner wall panels 100 or the inner wall panels 100 and the outer wall panels 200 are integrally formed; It is filled with magnesium-based cement fiber material 400, and the magnesium-based cement fiber material 400 bonds the adjacent floor slabs 300 together. A fiber cloth 500 is covered on the outer surface of the junction of the adjacent outer wall panels 200 .

The inner wall panel 100 and the outer wall panel 200 are both single-layer wall panels; at the junction of the floor panel 300 and the outer wall panel 200, the floor panel 300 extends into the outer wall Inside the panel 200, and the outer side of the outer end face of the floor slab 300 is provided with an outer wall patch 700, the outer wall patch 700 is embedded in the outer wall panel 200, and the outer wall patch 700 is The surface is flush with the outer façade of the outer wall panel 200 , and the outer wall patch panel 700 is also a magnesium-based cement foamed panel.

The inner wall panel 100 and the outer wall panel 200 are both bonded and connected by a single magnesium-based cement foam board 600; as shown in FIG. 6 to FIG. The junction of the outer wall panels 200: the inner wall panels 100 are embedded between two adjacent single magnesium-based cement foam boards 600 of the outer wall panels 200, and the inner wall panels 100 The outer end face of the outer wall is flush with the outer facade of the outer wall panel 200; board 902, the board surface of the horizontal vertical board 902 is flush with the outer surface of the outer wall panel 200, and the board surface of the longitudinal panel 901 is flush with the board surface of the inner wall panel 100; or set There is a T-shaped node group 1000, the T-shaped node group 1000 is composed of T-shaped nodes 900, the T-shaped node 900 includes a longitudinal plate 901 and a horizontal vertical plate 902 arranged on the outer side of the longitudinal plate 901, the The board surface of the horizontal vertical board 902 is flush with the outer surface of the outer wall panel 200, the board surface of the longitudinal panel 901 is flush with the board surface of the inner wall panel 100, and the upper and lower adjacent T The horizontal vertical plates 902 of the type node 900 are laterally staggered, so that a groove 903 for accommodating the outer wall panel 200 is formed between the two horizontal vertical plates 902 separated by one horizontal vertical plate 902. The lengths of the longitudinal plates 901 are different, so that a groove 903 for accommodating the inner wall panel 100 is formed between the two longitudinal plates 901 separated by one of the longitudinal plates 901;

As shown in FIG. 11 and FIG. 12 , at the junction of the exterior wall panels 200 : the end face of any one of the exterior wall panels 200 is flush with the wall surface of the other exterior wall panel 200 , or set There is an L-shaped node unit 904 .

The preparation method of the magnesium-based cement fiber material in embodiment 6 is as follows:

65 kg of magnesia salt cement (the magnesia salt cement in Example 1 to 5 can be used), 5 kg of pre-treated fly ash and polyvinyl alcohol fiber, add water according to the water-cement ratio of 0.45, and stir to make magnesium based cement fiber material slurry. The added amount of the pretreated fly ash is 10 wt % of the mass of MgO used in the preparation of the magnesia salt cement.

The fly ash preparation method after the pretreatment is as follows: 200-400 mesh fly ash is joined in the triethanolamine aqueous solution, the mass fraction of the triethanolamine aqueous solution is 3wt%, and the mass ratio of the fly ash and the triethanolamine aqueous solution is 1: 12. Stir, heat to 70°C for 12 hours, filter and dry; add the obtained solid product to the silane coupling agent solution, the mass ratio of the solid product to the silane coupling agent solution is 1:16, and the silane coupling The mass fraction of the silane coupling agent in the agent solution is 15 wt %, which is filtered, dried, pulverized, and passed through a 100-mesh sieve to obtain the pretreated fly ash.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Changes or changes in other different forms cannot be exhausted here, and all obvious changes or changes derived from the technical solutions of the present invention are still within the protection scope of the present invention.

Claims (1)

1. A beamless column plate type house structure system is characterized by comprising inner wall jointed boards (100), outer wall jointed boards (200) and a floor slab (300), wherein the inner wall jointed boards (100), the outer wall jointed boards (200) and the floor slab (300) are magnesium-based cement foam boards; at the joint of the inner wall jointed boards (100) and the outer wall jointed boards (200), the inner wall jointed boards (100) are embedded into the outer wall jointed boards (200) or the outer wall jointed boards (200) are embedded into the inner wall jointed boards (100) or the inner wall jointed boards (100) and the outer wall jointed boards (200) are integrally formed; the caulking joints at the joints of the adjacent floor slabs (300) are filled with magnesium-based cement fiber materials (400), and the magnesium-based cement fiber materials (400) bond the adjacent floor slabs (300);

the outer surface of the joint of the adjacent outer wall jointed boards (200) is covered with fiber cloth (500);

the inner wall jointed boards (100) and the outer wall jointed boards (200) are both single-layer wall boards; at the joint of the floor (300) and the outer wall jointed boards (200), the floor (300) extends into the outer wall jointed boards (200), outer wall supplementary boards (700) are arranged on the outer sides of the outer end faces of the floor (300), the outer wall supplementary boards (700) are embedded in the outer wall jointed boards (200), the outer surfaces of the outer wall supplementary boards (700) are flush with the outer vertical faces of the outer wall jointed boards (200), and the outer wall supplementary boards (700) are magnesium-based cement foam boards;

the inner wall jointed boards (100) and the outer wall jointed boards (200) are formed by bonding and connecting single magnesium-based cement foam boards (600);

at the joint of the inner wall jointed board (100) and the outer wall jointed board (200): the inner wall jointed boards (100) are embedded between two adjacent single magnesium-based cement foaming boards (600) of the outer wall jointed boards (200), and the outer side end faces of the inner wall jointed boards (100) are flush with the outer vertical faces of the outer wall jointed boards (200); or provided with a T-node (900); or a T-shaped node group (1000) is arranged, the T-shaped node group (1000) is composed of T-shaped nodes (900), the T-shaped node (900) comprises a longitudinal plate (901) and a transverse plate (902) arranged on the outer side surface of the longitudinal plate (901), the surface of the transverse vertical plate (902) is flush with the outer surface of the outer wall jointed board (200), the surface of the longitudinal plate (901) is flush with the surface of the inner wall jointed plate (100), the transverse plates (902) of the upper and lower adjacent T-shaped nodes (900) are staggered transversely, a groove (903) for accommodating the external wall jointed boards (200) is formed between two transverse vertical boards (902) separated by one transverse vertical board (902), the lengths of the vertical boards (901) adjacent to each other are different, forming a groove (903) for accommodating the inner wall jointed board (100) between two longitudinal boards (901) separated by one longitudinal board (901);

at the joint of the external wall panels (200): the end face of any one of the outer wall jointed boards (200) is flush with the wall surface of the other outer wall jointed board (200), or an L-shaped node unit (904) is arranged;

the magnesium-based cement foam board is prepared by the following raw materials in parts by weight through a foaming process: 40-65 parts of magnesium salt cement, 1-3 parts of pretreated fly ash, 1-3 parts of foam stabilizer and 3-5 parts of foaming agent, wherein the addition amount of the pretreated fly ash is 10-50 wt% of the mass of MgO used in the preparation of the magnesium salt cement;

the preparation method of the magnesium salt cement comprises the following steps: MgO with 100-₄And H₂Mixing the three components according to the mass ratio of (7-12) to 1 (20-28), and adding inducer with the addition of MgO and MgSO₄And H₂0.5 to 3 weight percent of the total mass of the O, stirring for more than 24 hours, drying, grinding, and sieving by a 200-mesh sieve to obtain the magnesia cement; the inducer consists of a component A and a component B, and the preparation method of the component A comprises the following steps: adding 200-mesh 400-mesh talcum powder into the vinyl acetate-acrylic emulsion, wherein the mass ratio of the talcum powder to the vinyl acetate-acrylic emulsion is (8-15) to (20-30), stirring, heating to 60-80 ℃, keeping for 2-5 hours, filtering and drying; adding the obtained solid product into a tannic acid aqueous solution, wherein the mass fraction of tannic acid in the tannic acid aqueous solution is 5-10 wt%, the mass ratio of the solid product to the tannic acid aqueous solution is 1 (20-30), heating to 90-100 ℃, keeping for 5-10 hours, filtering, drying and crushing, and sieving with a 100-mesh sieve to obtain a component A; the preparation method of the component B comprises the following steps: adding 200-mesh 400-mesh fly ash into triethanolamine aqueous solution, wherein the mass fraction of triethanolamine in the triethanolamine aqueous solution is 3-5 wt%, and the mass ratio of the fly ash to the triethanolamine aqueous solution is 1 (10-20), stirring, heating to 50-70 ℃, keeping for 12-24 hours, filtering and drying; adding the obtained solid product into a silane coupling agent solution, wherein the mass ratio of the solid product to the silane coupling agent solution is 1: (5-15), the mass fraction of the silane coupling agent in the silane coupling agent solution is 10-15 wt%, and the component B is obtained by filtering, drying and crushing the mixture and sieving the crushed mixture by a 100-mesh sieve; the inducer adding method comprises the following steps: firstly adding the component A, wherein the adding amount of the component A is MgO and MgSO₄And H₂Stirring for more than 24 hours, wherein the weight percentage of the total mass of the O is 0.5-1 wt%; then is added againThe addition of the component B is MgO and MgSO₄And H₂Stirring for more than 24 hours, wherein the total mass of the O is 1-2 wt%;

the preparation method of the pretreated fly ash comprises the following steps: adding 200-mesh 400-mesh fly ash into triethanolamine aqueous solution, wherein the mass fraction of triethanolamine in the triethanolamine aqueous solution is 3-5 wt%, and the mass ratio of the fly ash to the triethanolamine aqueous solution is 1 (10-20), stirring, heating to 50-70 ℃, keeping for 12-24 hours, filtering and drying; adding the obtained solid product into a silane coupling agent solution, wherein the mass ratio of the solid product to the silane coupling agent solution is 1: (5-20), the mass fraction of the silane coupling agent in the silane coupling agent solution is 10-15 wt%, filtering, drying and crushing are carried out, and the pretreated fly ash is obtained after a 100-mesh sieve is passed.

Images