Foundation structure of building foundation on flue arch

Abstract

The foundation structure of the building foundation on the flue arch comprises a sand blasting layer and a bearing layer which are arranged in a foundation pit above the flue arch, the width of the sand blasting layer and the width of the bearing layer are larger than the width of the flue arch, and supporting assemblies used for supporting a steel billet bearing frame are arranged in the sand blasting layer and the bearing layer. According to the utility model, by arranging the sand blasting layer and the bearing layer which are wider than the flue arch, the bearing of the steel billet bearing frame is dispersed, and the problem that the steel billet bearing frame on the flue arch deforms after the flue arch is weathered, eroded and damaged is avoided; the firmness and the stability of the steel billet bearing frame are improved by arranging the supporting assembly, and follow-up maintenance work of the flue arch is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially a kind of foundation structure of building foundation on flue arch. BACKGROUND

[0002] The flue of heating furnace is the tubular device of waste gas and smoke emission, it carries the dual task of waste gas emission and heat conduction. The flue of heating furnace is usually designed below furnace bottom, and the furnace bottom is designed with billet bearing frame.

[0003] In building construction, there are many places that need to set foundation on flue arch, and some flue arches appear defects due to weathering or erosion after years of use.

[0004] When the flue arch used for many years appears weathering and erosion, the flue arch appears damage, and the billet bearing frame above the flue arch will be deformed, and the support body on the flue arch will also appear damage, which greatly affects the stability and firmness of the building above the flue arch, and there is considerable safety hazard for the building above the flue arch.

[0005] The existing foundation structure between flue arch and building above has poor stability, and the stress on the top of old flue arch is concentrated, which is easy to cause the flue arch to collapse and damage the building above, and it is also difficult to maintain the subsequent flue arch. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of foundation structure of building foundation on flue arch to solve the above technical problems.

[0007] The utility model provides a kind of foundation structure of building foundation on flue arch, including sandblasting layer and bearing layer arranged in foundation pit above flue arch, the width of sandblasting layer and bearing layer is greater than the width of flue arch, sandblasting layer and bearing layer are provided with support assembly for supporting billet bearing frame.

[0008] Further, the sandblasting layer is arranged at the bottom of the foundation pit.

[0009] Further, the bearing layer is arranged above the sandblasting layer.

[0010] Further, the bearing layer is poured layer by layer.

[0011] Further, the bearing layer at the bottom layer is provided with pre-embedded steel mesh.

[0012] Further, the support assembly includes support column and steel structure support frame, and the support column and the steel structure support frame are arranged at intervals.

[0013] Further, the bottom end of the support column is arranged on the bearing layer at the bottom layer.

[0014] Further, the steel structure support frame comprises a plurality of support rods arranged in an inclined manner, and the plurality of support rods form a pyramid structure.

[0015] Further, the steel structure support frame is detachably connected with the billet bearing frame.

[0016] Further, the top end of the support rod is connected with the billet bearing frame through a flange connector.

[0017] The sand blasting layer and the bearing layer with a width greater than the width of the flue arch are arranged, the bearing of the billet bearing frame is dispersed, the problem that the billet bearing frame on the flue arch is deformed due to weathering and erosion damage of the flue arch is avoided, the support assembly is arranged to improve the firmness and stability of the billet bearing frame, and subsequent maintenance work of the flue arch is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the specific embodiment of the utility model or the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and for ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0019] Figure 1 It is a structural schematic view of the embodiment 1 of the utility model;

[0020] Figure 2 It is a structural schematic view of the embodiment 2 of the utility model;

[0021] Explanation of reference signs:

[0022] In the drawing: 1-base pit, 2-billet bearing frame, 3-sand blasting layer, 4-bearing layer, 5-preburied steel bar net, 6-supporting column, 7-supporting rod, 8-connecting column, 9-flange connector, 10-flue arch, 11-vibration isolation layer, 12-heat insulation layer, 13-protection layer, 14-fireproof felt; DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described clearly and completely below in combination with embodiments, and obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Embodiment 1

[0027] As Figure 1 shown:

[0028] A foundation structure of a building foundation on a flue arch, comprising a sandblasting layer 3 and a bearing layer 4 arranged in a foundation pit 1 above the flue arch 10, the sandblasting layer 3 being arranged at the bottom of the foundation pit 1, and the bearing layer 4 being arranged above the sandblasting layer 3, and the bearing layer 4 being poured layer by layer.

[0029] The pre-embedded reinforcement mesh 5 is arranged in the bottommost bearing layer 4.

[0030] The width of the sandblasting layer 3 and the bearing layer 4 is greater than the width of the flue arch 10.

[0031] Supporting assemblies for supporting the billet bearing frame 2 are arranged in the sandblasting layer 3 and the bearing layer 4.

[0032] The supporting assemblies comprise supporting columns 6 and steel structure supporting frames, and the supporting columns 6 and the steel structure supporting frames are arranged at intervals.

[0033] The bottom end of the supporting column 6 is arranged on the bottommost bearing layer 4, and the supporting column 6 is pre-embedded in the second layer of bearing layer 4.

[0034] The steel structure support frame comprises a connecting column 8, a plurality of support rods 7 are uniformly arranged on the outer circumferential surface of the connecting column 8 and are arranged in an inclined manner, the plurality of support rods 7 form a pyramid-shaped structure, the bottom end of the support rod 7 is arranged on the bearing layer 4 of the second layer, and the support column 6 is pre-buried in the bearing layer 4 of the third layer.

[0035] The top end of the connecting column 8 is detachably connected with the steel billet bearing frame 2 through a flange connecting piece 9.

[0036] In the construction of the embodiment, first, a foundation pit 1 with a width greater than the width of the flue arch 10 is dug on the foundation; then, sand blasting treatment is performed in the foundation pit 1, a layer of concrete mortar is sprayed, and a sand blasting layer 3 is formed at the bottom of the foundation pit 1; after the sand blasting layer 3 is solidified, the pre-buried steel bar mesh 5 is woven on the sand blasting layer 3, the concrete of the bottommost layer is poured to form the bearing layer 4 of the first layer; after the bearing layer 4 of the first layer is solidified, the support column 6 is arranged on the bearing layer 4 of the first layer to pour the bearing layer 4 of the second layer; after the bearing layer 4 of the second layer is solidified, the steel structure support frame is arranged on the bearing layer 4 of the second layer to pour the bearing layer 4 of the third layer, and the pouring is performed layer by layer until the bearing layer 4 is flush with the ground.

[0037] After the construction of the foundation structure is completed, the support column 6 and the steel structure support frame can be connected with the steel billet bearing frame 2.

[0038] The sand blasting layer 3 and the bearing layer 4 with a width greater than the width of the flue arch 10 are arranged, the load bearing of the steel billet bearing frame 2 is dispersed, the problem that the steel billet bearing frame 2 on the flue arch 10 is deformed due to weathering and erosion damage of the flue arch 10 is avoided, the support assembly is arranged to improve the firmness and stability of the steel billet bearing frame 2, and the subsequent maintenance work of the flue arch 10 is facilitated.

[0039] Embodiment 2

[0040] As shown in Figure 2 The vibration isolation layer 11, the heat insulation layer 12, the protective layer 13 and the fireproof felt 14 are arranged between the sand blasting layer 3 and the bearing layer 4.

[0041] The vibration isolation layer 11 is arranged above the sand blasting layer 3, the vibration isolation layer 11 is spliced by rubber vibration isolation pads, and the rubber vibration isolation pads are bonded by sealing glue.

[0042] The vibration isolation layer 11 is arranged, the influence of flue vibration on the building foundation is effectively reduced, the elasticity of the rubber vibration isolation pad can buffer vibration energy, cracks or displacement of the foundation due to long-term vibration are avoided, and the stability of the foundation is improved.

[0043] The heat insulation layer 12 is arranged above the vibration insulation layer 11, and the heat insulation layer 12 is a rock wool board, the upper and lower surfaces of the rock wool board are respectively provided with aluminum foil reflection layers, the aluminum foil reflection layers can reflect the heat transferred by the flue, further enhancing the heat insulation effect, the rock wool boards are connected through high-temperature resistant adhesive, and are tightly attached to the vibration insulation layer 11 and the protective layer 13.

[0044] By arranging the heat insulation layer 12, the heat transferred by the flue can be effectively blocked, the temperature environment around the foundation is reduced, problems such as cracking of the foundation concrete and reduction of the strength of the steel bars caused by excessively high temperature are prevented, the service life of the foundation is prolonged, the aluminum foil reflection layer further enhances the heat insulation performance, and the heat insulation efficiency is improved.

[0045] The protective layer 13 is arranged above the heat insulation layer 12, the protective layer 13 is made of corrosion-resistant glass steel material, the splicing seams of the glass steel protective layer 13 are sealed with sealing resin, the corrosive gas that may leak in the flue is prevented from corroding the bearing layer 4, the sealing property is ensured, and the corrosive gas is effectively prevented from penetrating.

[0046] The fireproof felt 14 is arranged above the protective layer 13, and is mainly used for further enhancing the fireproof performance. It can prevent the fire that may occur in the flue from spreading to the upper building, provides additional fire protection for the building, and reduces the threat of fire to the building structure and personnel safety.

[0047] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A foundation structure for a building foundation on a flue arch, characterised in that The sandblasting layer and the bearing layer are arranged in a foundation pit above a flue arch, the width of the sandblasting layer and the bearing layer is greater than the width of the flue arch, and a support assembly for supporting a steel billet bearing frame is arranged in the sandblasting layer and the bearing layer.

2. A foundation structure for a building founded on a flue arch, according to claim 1, characterised in that, The sandblasting layer is arranged at the bottom of the foundation pit.

3. The foundation structure for a building founded on a flue arch according to claim 1, characterised in that, The bearing layer is arranged above the sandblasting layer.

4. A foundation structure for a building founded on a flue arch, according to claim 3, characterised in that, The bearing layer is poured layer by layer.

5. A foundation structure for a building founded on a flue arch, according to claim 4, characterised in that, A pre-embedded steel mesh is arranged in the bottommost bearing layer.

6. A foundation structure for a building founded on a flue arch, according to claim 4, characterised in that, The support assembly comprises support columns and steel structure support frames, and the support columns and the steel structure support frames are arranged at intervals.

7. A foundation structure for a building founded on a flue arch, according to claim 6, characterised in that, The bottom end of the support column is arranged on the bottommost bearing layer.

8. A foundation structure for a building founded on a flue arch, according to claim 6, characterised in that, The steel structure support frame comprises a plurality of support rods arranged at an inclination, and the plurality of support rods form a pyramid-shaped structure.

9. A foundation structure for a building founded on a flue arch, according to claim 8, characterised in that, The steel structure support frame is detachably connected with the steel billet bearing frame.

10. A foundation structure for a building founded on a flue arch, according to claim 9, characterised in that, The top end of the support rod is connected with the steel billet bearing frame through a flange connector.

Images