DE29511524U1 - House construction with any changeable living space - Google Patents

Description

PATENT ATTORNEY DR. PETER P. GßHR.K3E,

Description House construction with freely changeable living space

The invention relates to a house construction with freely changeable interior and exterior living space, which comprises a foundation, exterior walls and interior walls, a roof structure and a tension-resistant support frame with beams and supports.

There are known houses, for example prefabricated houses, partially prefabricated houses or wooden houses, which have a support frame in addition to a foundation frame, which is arranged in the outer walls and is a component of the outer walls. This shows that if, for example, the support frame or the space frame is replaced by metal supports and beams instead of wood, these act as cold or heat bridges between the outside and the inside. In the case of cold bridges, there is a risk of condensation of moisture from the living space on the sides of the metal supports and beams facing the living space (inside area), whereby in addition to moisture precipitation on the sound, insulation and barrier materials filling the support frame, fungal growth, in particular blue stain mold, can be observed, which can lead to serious health problems for users living in the building.

In the case of thermal bridges, the operation of the houses is associated with a high energy loss due to the energy transport capacity of the metal support frame, especially in cold weather conditions.

Even in conventional buildings with single or double-leaf masonry, weather influences on the external exposed masonry are not insignificant. The pollutants and dust contained in the rain can cause damage to the single-leaf external masonry if the bricks become damp, e.g. efflorescence, algae growth, frost

PATENT ATTORNEY DR. PETER P. GEHRKE; G£LSENJÖr£hEN-BUER

damage, fading or discoloration. In addition, the rainwater evaporating from the outer layer of the wall requires heat, which is usually extracted from the masonry. The double-shell construction of the masonry requires a time-consuming and therefore costly effort due to the production of the outer shell, core insulation, inner shell and wire anchors connecting the outer shell and inner shell.

In addition, conventional prefabricated houses have the disadvantage that, although the interior walls can be moved under certain circumstances, the position of the exterior walls cannot be moved, since their load-bearing function means that moving them would represent a significant intervention in the statics of the building and would therefore be a costly change to the living space. As a result, these houses only meet the living quality requirements to a limited extent, because it is generally impossible to change the living space when there is a change in residents or due to changes in the residents' wishes, which often occur during the course of living in a house, e.g. an increase in the number of small children living in the apartment.

The aim of the present invention is therefore to eliminate the above-mentioned disadvantages of the state of the art. Furthermore, it is desirable to provide a house construction that not only allows the interior and exterior walls to be moved, but also opens up further design options for the user of the building, as the exterior walls can be completely replaced by other different materials, etc. It should therefore be possible for exterior walls to be replaced by ones that, depending on the level of development, have better sound and heat insulation. It can also be observed that, due to ecological aspects, legal regulations regarding heat insulation are changing, but also legal regulations are coming into force because, due to constant research, progress is being made in thermal insulation, so the possibility of improving the walls of a house, especially the exterior walls, is necessary.

PATENT ATTORNEY DR. PETER P. GEHRKEI

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In addition, it is desirable if the external walls could be replaced with glazed ones and at the same time positioned in any way, depending on the user's wishes in order to reduce the energy requirements of the house and to increase the use of solar radiation and thus the living value of the house even after construction. Not only the external walls as such but also several external walls at corners, for example, should be fully glazed and usable as a winter garden.

The object is achieved by the present invention according to the main claim and sub-claim. The sub-claims relate to preferred embodiments of the present invention.

The invention relates to a house construction with freely changeable living space, which comprises a foundation, external walls and internal walls, a roof structure and a tension-resistant support frame with supports and supports, which is characterized in that the supports are arranged at a distance from the external walls - i.e. in the external wall area of the external walls - and are firmly connected to the foundation at one end and accommodate the roof structure at the other end, and the external walls and the internal walls are essentially designed as non-load-bearing room delimitation elements.

A further object of the present invention relates to a use of the house construction according to the invention as a residential building, commercial buildings such as office buildings, production facilities, administrative facilities.

The invention is based on the principle that the outer walls are not used as load-bearing elements. Load-bearing walls are essentially understood to be preferably disc-like components that are subjected to pressure and can absorb vertical loads, such as component loads, and horizontal loads, such as wind loads. In this construction method, the load-bearing elements, i.e. the support frame with beams, supports, etc., are not located in or on the outer walls as in conventional construction, but

PATENT ATTORNEY DR. PETER P. GEHRK3E, GESLSBNKiBKfHEN-BUER

The support frame is arranged outside the outer walls - i.e. at a distance from them. The distance between the outer walls and the support frame can be changed as desired according to the user's design wishes, taking the above into account. It is important to ensure that the support frame does not touch the outer walls or lie against them.

The house construction according to the invention also opens up the possibility of freely moving the external walls, since the support frame and not the external walls, in contrast to the prior art, is designed to be load-bearing. The external walls are arranged in the area of the support frame facing the living room. The external walls are therefore not only freely movable but also replaceable in the area of the support frame facing the living room. In the sense of the present invention, the external wall area is understood to be the area that is on the side of the external wall opposite the living area. By moving the support frame from the living area or from the external walls to the external wall area, there are no limits to the user's interior design wishes in many ways, as external walls can be used that can be made from a wide variety of materials.

It should only be noted that, even if the external walls are not load-bearing, at least the external walls are preferably designed to be stiffened. This means, for example, disc-like components that can counteract the buckling of the walls, for example under high wind loads. They can therefore be dimensioned in such a way that they can bear additional loads in addition to their own weight. For example, the distances between stiffening walls can be determined in individual cases and depend, for example, on the arrangement of the external walls in the floor plan or on the number of openings in the external walls, which does not, however, limit the positionability of the walls.

It is also possible to design the external walls as half-timbered walls with the elements that stabilize or stiffen the external walls, such as sleepers, posts, struts,

PATENT ATTORNEY DR. PETER P.

Beams and frames are. Under the half-timbered wall, the rigid components can be arranged in such a way that they form triangles and thus represent immovable half-timbering. The half-timbered walls can be arranged on horizontal sleepers, which in turn can rest flat and horizontally on the ground floor. The half-timbered wall can be built on weather-resistant sleepers, which are separated from the ground floor by a barrier layer. The uprights and posts thus form the stabilizing framework of the half-timbered outer wall, which are mortised into the sleepers at certain intervals. Above the posts, frames can be arranged upright parallel to the sleepers and mortised to the posts. By arranging pairs of struts inclined in opposite directions, the half-timbered wall can be stiffened in the longitudinal bond, so that an immovable triangular bond is created within an outer wall. The bars are used to divide the wall into compartments and to provide horizontal boundaries for window and door openings.

External walls can also be panel walls. A panel wall is a wall with ribs that form a skeleton in a specific arrangement. For example, the panel wall has ribs, with horizontal ribs being used at the head and foot points, between which the vertical ribs are arranged. It is also clear that the house construction according to the invention enables both unventilated and ventilated external walls in panel construction, so that there are no limits to the usability of the house construction according to the invention, even with regard to a wide variety of conventional structural measures for the external walls.

The external walls are also made of brickwork and/or glass walls, which preferably have glass blocks. In another embodiment, the external walls are designed as timber frame walls. In a timber frame wall or construction, the rigid components such as posts and/or bars are connected to one another at their corner points and form an immovable frame.

PATENT ATTORNEY DR. PETER P. GE3HRKE,

Tension-resistant support frames can be used as support frames, which are well known to those skilled in the art. Tension resistance in the sense of the present invention is understood to mean the resistance of the support frame to pressure, tension, bending, buckling, shearing, shearing, torsion, tipping and sliding. The elements of the support frame, such as supports, beams, consoles, etc., are connected to one another in a force-locking manner; it is also important that the support frame is designed to be non-displaceable. Materials that can be used as support frames are selected from the group comprising steel, aluminum, its alloy, wood, such as laminated wood bodies, concrete, reinforced concrete as a composite building material. Profile supports, e.g. rectangular, round cross-sections, etc., can be used as supports.

For example, rod-shaped compression members can be used as reinforced concrete columns, which can be subjected to bending and horizontal loads, e.g. wind loads and impact loads, whereby these columns can be loaded centrally and eccentrically. In a preferred embodiment, the columns can be unreinforced, reinforced with stirrups or with straps or spiral reinforcement. Suitable cross-sectional shapes are rectangular, double-T-shaped or round. The columns can preferably be arranged as longitudinal bars and reinforced with stirrups to prevent buckling. Buckling is the lateral deflection of the column under load. The columns used as column corners can have one or more bars as reinforcement. Single stirrups or stirrups made of reinforced steel mesh parts serve as stirrups. The column reinforcement can be made as a reinforcement cage, with each bracket being closed with a hook and the hooks being arranged over the height of the column. The brackets can advantageously be secured against buckling with one or more longitudinal bars. In a further embodiment, if the house structure is to be raised by one or more floors at a later date, the supports can be designed in such a way that they meet the corresponding static requirements for absorbing vertical loads, such as the dead and live loads of the ceilings, or for transferring horizontal loads, such as wind loads.

PATENT ATTORNEY DR. PETER P.

The support frame of the house construction according to the invention is designed in such a way that it can accommodate the ground floor, at least one floor ceiling and/or the attic ceiling. The supports are preferably provided with supports, brackets and beams that are suitable for accommodating the ground floor, the attic ceiling and the roof structure.

In the sense of the invention, the term “floor ceiling” refers to both the attic ceiling and

also the ceilings of the individual floors of the building. The floor ceiling conventionally includes the bare ceiling as the supporting structure, the sub-ceiling e.g. the plaster, wooden cladding or panel material, plaster supports, slatted frames and suspensions and the upper ceiling such as paintwork and floor coverings.

The ground floor also includes the slab, the lower ceiling and the upper ceiling.
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For example, steel beams made of shaped steel with double-T profiles, but also beams made of other materials such as wood or laminated wood composite material can be used as supports.

The ground floor and the roof ceiling can be used as disc-shaped components to additionally provide bracing for the support frame, with the task of transferring dead loads and traffic loads to the supports. Solid ceilings made of reinforced concrete, prestressed concrete, intermediate components made of normal concrete or lightweight concrete or wooden beam ceilings can be used. These can be made from cast-in-place concrete, prefabricated components or prefabricated parts. Preferably, reinforced concrete solid slabs, reinforced concrete hollow slabs, slab-beam ceilings, reinforced concrete ribbed ceilings, reinforced concrete beam ceilings and steel stone ceilings can be used, which absorb the loads and transfer them to the columns via supports.

PATENT ATTORNEY DR. PETER P. GEHRKE^GELSENlÖRiCHEN-BUER

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Preferably, the support depth of the slab ceilings depends on the size of the support force and the load-bearing capacity of the support. The design of the ceiling supports also depends on the requirements for thermal insulation and crack resistance. Single- or two-axis tensioned slabs can be used.
5

In a further embodiment, the supports are sunk parallel to each other and vertically into the foundation or flanged onto the foundation. Strip foundations, individual foundations or point foundations such as plinths can be used as foundations. For example, with pile foundations, the loads of the house construction according to the invention are transferred to the subsoil by axially loaded piles. In-situ concrete piles or prefabricated piles are particularly suitable for this. Pillar foundations are also possible to absorb the loads. The prefabricated reinforced concrete piles can be round, square, rectangular or double T-shaped.

Preferably, the outer walls can be provided with stiffening paneling in the case of, for example, high wind pressure or load. This paneling serves to stiffen pressed ribs against buckling and to stiffen slender ribs subject to bending. It is also possible to make the paneling load-bearing if extremely high wind loads are to be expected, as this paneling can be used to absorb and transfer loads acting vertically and horizontally in the wall plane. It should be noted that if horizontal forces occur, the wall panel with stiffening paneling is sufficiently shear-resistant.

Since in the house construction according to the invention the roof ceiling and/or the roof structure in the outer wall area extends beyond the outer walls in a direction parallel to the ground floor, the outer walls are exposed to significantly less external weather influences than in conventional houses and buildings. This means that the outer walls have to meet lower requirements in terms of weather resistance such as moisture, aging, heat and UV radiation resistance than conventional outer walls such as masonry, a circumstance that also affects the manufacturing process.

PATENT ATTORNEY DR. PETER P. GEHRKE, GELSENKIRCHEN-BUER

This significantly reduces the cost of building the external walls compared to conventional houses with brickwork. In addition, the external walls can be covered with conventional insulation, sealing and barrier materials. Materials that can be used to protect against temperature and sound influences include pumice, slag, expanded clay, gas and foam concrete blocks, porous gypsum, plasterboard, wood and wood materials or mineral wool, sheep's wool, cellulose fibres and cork. Layers with cellulose fibres from the outside, for example, are particularly useful to prevent moisture from penetrating.

The house construction according to the invention, when using the load-bearing support frame designed to be essentially stress-resistant, enables not only the outer walls to be moved as desired, but also the inner walls to be positioned as desired. This means that because of the requirements for the living space and the quality of living, which can change over the course of the dwelling, the user is able to vary the location of the inner walls according to his wishes without having to take bulky elements within the living space into account, unlike the state of the art.

In addition, it is advantageous that the house construction according to the invention, for example when using point foundations, has only a small surface sealing, so that the soil surface sealing charges are disproportionately low compared to conventional house construction.

In addition, it can be observed that over the course of the period of use of the house, the need arises to increase the number of rooms, e.g. if it becomes necessary to provide separate space for small children or children. Here too, the house construction according to the invention makes it possible to divide the living space in any way possible without great effort and without paying significant attention to static requirements with regard to the load-bearing elements.

It is also possible not only to divide the living space but also to replace interior walls with other materials in order to meet the user's wishes, for example.

PATENT ATTORNEY DR. PETER P.

to achieve higher sound and heat insulation of the interior walls. As non-load-bearing interior partition walls, these can be built lightly due to their function of merely separating rooms. In contrast to the state of the art, these can expediently have a smaller wall thickness and a lower dead load, since they do not have to bear any significant structural loads. Using conventional fastening elements, light partition walls can be securely coupled to the exterior walls and to the ground floor and attic ceiling.

Light partition walls can be frame walls made of wood materials with a wall surface made of a wide variety of materials. The frame walls preferably consist of a framework made of wood or sheet steel profiles, which is clad with panels on one or both sides. The wooden frame consists of vertical squared timbers that are spaced apart from one another. The panels as cladding can be offset during the wall construction so that all vertical joints lie on the ribs. Single-post walls or double-post walls are known to those skilled in the art.

The house construction according to the invention also has the advantage that the space under the ground floor delimited by the supports can also be used by the user, for example as a garden or green area, as a location for motor vehicles or other equipment. In addition, if basement space is required, it is also possible to expand the area between the ground floor and the foundation in such a way that additional living space is created with external walls and internal walls.

It is also advantageous that the drainage of rainwater can take place in the area of the ground below the house construction according to the invention, so that the waste water is reduced, especially in the event of heavy rainfall, a circumstance which also effectively prevents the sewage pipe system's drainage capacity from being exceeded.

PATENT ATTORNEY DR. PETER P.

Various conventional roof structures that can bear loads such as snow and wind can be used as the roof structure that supports the roof covering. The roof structures that can be used are rafter roofs, collar beam roofs, pent roofs, flat roofs, truss structures or suspended structures. Suspended structures are roof structures in which the roof structure also bears a portion of the load from the wooden attic ceiling in addition to the roof loads.

The roof structure should preferably be designed in such a way that the ridge does not shift in the longitudinal direction and that the roof structure is firmly anchored to the supports and beams of the support frame due to the wind loads.

The house construction according to the invention also enables the later construction of ancillary or residential buildings in an additive construction method in any direction, so that here too there are no limits to the later requirements and design wishes of the users.

In addition, it can be seen that the construction times are significantly shortened due to the use of prefabricated components or parts compared to the state of the art, as a high degree of prefabrication is possible. In addition, it is advantageous to use inexpensive point foundations such as plinths, which are preferably connected to one another, instead of expensive surface foundations. In addition, the use of plinth foundations allows for only minimal surface sealing, so that the area below the ground floor can be used in an ecologically sensible way as a growing area for green plants or as a pond that fills the excavated pit.

To avoid cold or heat bridges, a thermal separation element can be installed between the beam and the bracket of the supports. The thermal separation element is a screw or rivet connection with a sealing element arranged between the discs or plates. The thermal sealing element has discs or plates at the ends of the beam and the brackets, each of which is mounted perpendicular to the longitudinal axis of the beam and can withstand compressive forces. Parallel to the

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PATENT ATTORNEY DR. PETER P. GEHRKf,

A sealing element is attached to the panes. The sealing element can contain wood, cork and/or glass fiber or carbon fiber reinforced plastic. E- and S-glass can be used as glass material in the form of fibers, mats, fabrics, fleece. Suitable polymer matrix systems are thermosets such as epoxy resins, unsaturated polyester, phenolic and furan resins, and/or thermoplastics such as polyamides, polycarbonates, polyacetals, polyphenylene oxides, sulfides, polypropylenes and styrene polymers. The mixing ratio between reinforcing material and polymer matrix can be between 10:90 and 65:35. The glass fiber reinforced plastic can be a glass mat reinforced thermoplastic with a glass fiber content of 20 to 50% by weight, preferably 40 to 45% by weight based on the total weight of the reinforced plastic. The thickness of the sealing element formed as a layer can be, depending on the thermal insulation requirements due to the temperature difference between the outdoor area and the living area, e.g. 0.5 to 10 cm, preferably between 3 to 8 cm, and most preferably 2 to 5 cm. The sealing element is characterized by low thermal expansion values, high strength and, due to the load-bearing capacity of the preferably long fiber component or composite, high impact bending and impact strength under surface stress. Carbon fiber short fiber or long fiber thermoplastics can also be used.

Since requirements for the reusability of materials already exist in the area of expansion due to legal requirements, or further requirements are to be expected, the house construction according to the invention is particularly suitable for fulfilling these, especially since the outer and inner walls can be made from materials that can be made from reusable materials such as wood, wood-based materials, wood composites or the like. In addition, the so-called "floating construction" of the house construction according to the invention significantly reduces any harmful electromagnetic fields that may occur.

Examples of implementation

The invention will now be explained in more detail using an exemplary embodiment. 30

PATENT ATTORNEY DR. PETER P. GEHRKE; GJELSEMaRGHEIVBUER

Due to the simplification of the drawings, the illustrations show an embodiment in a schematic, greatly enlarged manner without claiming to be a true-to-scale reproduction.

Show it

Fig. 1 a perspective of the house construction according to the invention

Fig. 2 a perspective of the support frame of the house construction according to the invention with the thermal separation element

(shown as a circle) and

a longitudinal section of the enlarged thermal separation element of the house construction according to the invention

Fig. 3 a perspective of an outer wall and the support frame of the

inventive house construction

According to Fig. 1, a socket foundation in the form of bases 13 was used as the foundation 10, which are cast on site as prefabricated piles and driven into the ground. The support frame 1 has, for example, partially concrete supports 7, wooden or steel supports, which are flanged onto the bases 13. The supports 7 have consoles 4 and beams 2 in the direction of the living space, on which the ground floor 5 rests. The beams 2 are coupled to the supports 7 perpendicularly.

To avoid cold or heat bridges, thermal separation elements 51 can be coupled between the beam 2 and the consoles 4 of the supports 7. The thermal separation element 51 has a disc 54, e.g. made of steel, attached at the end of the beam 2 and the console 4, perpendicular to the longitudinal axis of the beam 2. A sealing element 53 is attached between the discs 54 parallel to them. The sealing element 53 contains a glass fiber or carbon fiber reinforced plastic.

PATENT ATTORNEY DR. PETER P.

material with a polymer matrix with polyamides and polycarbonates. The thickness of the sealing element 53, which is designed as a layer, is 2 cm. The glass fiber reinforced plastic is a glass mat reinforced thermoplastic with a glass fiber content of 40% by weight. The supports 7 and the bracket 4 are connected to one another by means of screw connections 52 with sufficient fatigue strength and resistance to loosening of the screw connection, essentially in a force-locking and immovable manner. The upper and lower areas of the panes 54 and the screw connections 52 are effectively covered, for example, with screed or wooden cladding. This effectively prevents the cold from being transmitted from the outside - i.e. from the outside area - to the inside - i.e. into the living area - via the supports. In addition, the thermal separation element can also be installed horizontally for better load transfer.

The support frame 1 is essentially designed with prefabricated reinforced concrete components as a skeleton structure. The skeleton components such as supports 7, beams 2, ground floor slabs 5 and roof floor slabs and parts of the roof structure 30 are prefabricated. In the assembly process, the supports 7, beams 2 and ground floor slabs 5 and roof floor slabs are joined together on site to form a supporting skeleton. In this case, it is particularly important to ensure that the individual skeleton components are connected in a force-locking and immovable manner.

The ground floor slabs 5 comprise load-bearing elements such as ceiling slabs and load-transferring elements such as beams and crossbars. The beams and crossbars are supported on the brackets 4 of the load-bearing elements such as supports 7 and beams 2. Prefabricated piles 13 driven into the ground in a rectangular shape have been used as load-distributing elements. The roof structure 30 is supported in a force-locking manner on the supports of the load-bearing supports 7.

In a further embodiment, the attic ceiling 6 can also rest on brackets 4 and supports 2 of the support frame 1 and be connected to them in a force-locking manner. On or above the attic ceiling, for example, a rafter roof with the

PATENT ATTORNEY DR. PETER P. GEHRKJE,GEUSENKIRCHJEfV-BUER

Supports 7 and beams 2 and consoles 4 of the support frame 1 are also coupled in a force-locking manner. The force-locking connection of the individual elements of the support frame 1 as well as the force-locking connection of the elements of the roof structure 30, ground floor 5 and preferably attic ceiling with the support frame 1 are well known to the expert and do not require any further explanation. The building ground is excavated beneath the house construction according to the invention.

In this embodiment, it can be observed that the outer walls 31, preferably in full-surface glazing, store the solar energy in the living space and are able to reduce the consumption of heating energy. Fig. 1 shows only a part of the outer wall 31, which is spaced from the supports 7. The distance between the outer wall 31 and the supports 7 is preferably 1 m. The quality of living is also increased by the fact that the user of the house construction according to the invention can freely design the rooms without taking static requirements into account, in contrast to the prior art. In addition, it can be noted that, since there are no cold bridges, neither condensation formation within the room nor fungal infestation, in particular blue stain mold, can be observed. This also improves the quality of living in the house construction according to the invention compared to conventional houses.

The energy consumption within the house construction according to the invention is also reduced because there are no thermal bridges that would allow heat to be transported from the inside to the outside, especially during cold seasons.

The outer wall 31 can have a moisture-permeable layer 48 between the outer facade 41 and the inner wall formed by posts, beams 42 and insulation 47 (Fig. 3). This layer 48 comprises a soft wood fiber insulation board with breathable, i.e. air and water vapor permeable properties, which is characterized by a low weight and a pollutant-free, reusable material such as wood fiber.

PATENT ATTORNEY DR. PETER P.

The interior wall, formed by posts, beams 42 and insulation 47, is covered by a wooden wall 49 towards the living area.

Due to the excellent quality of living, the low production costs and production times of the diverse design options for the rooms and the low ecological impact on the building site by the house construction according to the invention, the above-mentioned disadvantages of the state of the art are eliminated in a sufficiently satisfactory manner, a circumstance that is to be regarded as unexpected by the expert, since the ecological and economic requirements for house construction are met in an equally balanced manner by the house construction according to the invention.

Claims (8)

PATENT ATTORNEY DR. PETER P. GEHRKE,' ..ULt t— Protection claims 1. House construction with freely changeable living space, which comprises a foundation (10), external walls and internal walls, a roof structure (30) and a tension-resistant support frame (1) with supports (2) and supports (7), characterized in that the supports (7) are arranged at a distance from the external walls in the external wall area and are firmly connected to the foundation (10) at one end and accommodate a floor ceiling and / or the roof structure (30) at the other end and the external walls and the internal walls are designed essentially as non-load-bearing room delimitation elements, 2. House construction with freely changeable living space according to claim 1, characterized in that at least two floors are coupled to the supports (7). 15 3, House construction with arbitrarily changeable living space according to claim 1 or 2, characterized in that the support frame (1) accommodates a ground floor (5) and preferably an attic ceiling. 4. House construction with freely changeable living space according to one of claims 1 to 3, characterized in that the supports (7) are sunk parallel to each other and perpendicularly into the foundation (10) or are flanged onto the foundation (10), 5. House construction with freely changeable living space according to one of claims 1 to 4, characterized in that the outer walls are half-timbered walls, panel walls, masonry, timber frame walls and / or glass walls, preferably glass blocks, 6, House construction with freely changeable living space according to one of claims 1 to 5, characterized in that the interior walls are partition walls with wood-based material. PATENT ATTORNEY DR. PETER P. GEfJRKE, SVW —*—i *·· · fen as framework walls, preferably single-stud walls or double-stud walls, and / or masonry are 7. House construction with freely changeable living space according to one of claims 1 to 6, characterized in that the foundation (10) is a base plate, a point foundation, which are preferably interconnected bases (13), or a strip foundation. 8. House construction with freely changeable living space according to one of claims 1 to 7, characterized in that the roof support structure (30) is designed as a rafter roof, collar beam roof, pent roof, flat roof, truss structure or suspended structure.