Assembling type steel structure building and its construction technology
Technical field
The present invention relates to technical field of building construction, build and its construct in particular to a kind of assembling type steel structure
Technique.
Background technique
Country is wideling popularize assembling type steel structure building at present, and house demand is big, and market scope is wide, belongs to
Assembling type steel structure builds the field paid close attention to and researched and developed.In house, current R&D direction is still with structural body
It is convenient convenient for indoor beauty and construction as far as possible on the basis of ensuring structure safety based on system, seldom assembling type steel structure is lived
The combing and research and development of residence building carry out system.
For assembling type steel structure residential housing, available guarantee in terms of the safety of structural system.But
The selection of every structure such as support construction, wall, steel bar truss floor support plate for assembling residential housing is in current construction
Difficult point, the selection of every structure in assembling type steel structure residential housing directly influences the quality of building, due to no pair
Assembling type steel structure residential housing carries out the combing and research and development of system, thus existing assembling type steel structure building is unfavorable for pushing away
Extensively.
Summary of the invention
The purpose of the present invention is to provide a kind of assembling type steel structure building and its construction technologies, to solve in the prior art
Every structure of assembly residential housing, which is chosen to lack, instructs and then is unfavorable for the technical issues of promoting.
The present invention provides a kind of assembling type steel structure building, including steel frame supporting structure, steel bar truss floor support plate, wall
And peripheral protective;
Steel frame supporting structure is divided into multilayer, and any one layer of steel frame supporting structure include multiple spaced columns, more
A beam and multiple diagonal braces;
Wherein one end of multiple columns is fixed, and the other end of any one column is higher than wherein one end of column, multiple columns it is another
Beam is installed, diagonal brace is mounted between column and beam between one end;
Steel bar truss floor support plate includes plate body and bed die, is detachably connected between plate body and bed die, any one layer of steel frame
Multiple Liang Junyu plate bodys connection in support construction;
Wall includes ALC plate, and ALC plate is gone along with sb. to guard him on column;
Peripheral protective includes keel and heat insulation decoration integrated plate, and heat insulation decoration integrated plate is connect with keel;Keel and steel frame
Support construction connection, alternatively, being connect with ALC plate.
Further, column is box steel column, and concrete is filled in box steel column.
Further, beam is steel I-beam.
Further, diagonal brace is box-shaped steel diagonal brace.
Further, wall further includes aerated blocks and autoclaved lime-sand brick;
Aerated blocks are gone along with sb. to guard him on steel frame supporting structure at position corresponding with diagonal brace;
Autoclaved lime-sand brick is gone along with sb. to guard him on steel frame supporting structure at region corresponding with toilet in building.
Further, polyethylene stick and sealant are filled between adjacent two pieces of heat insulation decoration integrated plates.
Further, the height of steel frame supporting structure is less than 100 meters.
The present invention provides a kind of construction technology built and built such as above-mentioned assembling type steel structure, comprising:
The construction of first floor steel frame supporting structure: the column in first floor steel frame supporting structure is installed on the ground, is pacified on column
Beam is filled, diagonal brace is installed between column and beam;
The construction of remainder layer steel frame supporting structure: connect the column in adjacent two layers steel frame supporting structure, and at every layer
Mounting rail on column in steel frame supporting structure installs diagonal brace between column and beam;
Steel bar truss floor support plate construction: after steel frame supporting structure construction is to default floor, from bottom to up successively every
Steel bar truss floor support plate is installed on beam in layer steel frame supporting structure;
Wall construction: after steel bar truss floor support plate installs, ALC plate is installed in column;
Peripheral protective construction: keel are connect with steel frame supporting structure, alternatively, connect with ALC plate, then by insulation and decoration one
Body plate is connect with keel.
Further, in the construction of first floor steel frame supporting structure and the construction of remainder layer steel frame supporting structure, make to be located at
The outside of the beam of steel frame supporting structure side edge is relative to the wall evagination at this, to reduce the Interior Space that beam occupies building
Between.
Further, in wall construction, using the connection type of flexible connection between column and the side of ALC plate;
Beam and the steel bar truss floor support plate on ALC plate use the connection side of flexible connection between ALC plate respectively
Formula.
Assembling type steel structure provided by the present invention building and its construction technology can generate it is following the utility model has the advantages that
Assembling type steel structure provided by the invention building include steel frame supporting structure, steel bar truss floor support plate, wall and
Peripheral protective, steel frame supporting structure are divided into multilayer, any one layer of steel frame supporting structure include multiple columns, multiple beams and it is multiple tiltedly
Support.Multiple intercolumniations are every setting, and wherein one end of column is fixed, and the other end of column is higher than wherein one end of column, and beam is mounted on multiple
On the other end of column, diagonal brace is mounted between column and beam.Multiple Liang Junyu reinforcing bars purlin in any one layer of steel frame supporting structure
The connection of frame floor support plate.Wall includes ALC plate, and ALC plate is gone along with sb. to guard him on steel frame supporting structure.Peripheral protective includes keel and heat preservation dress
Integrated board is adornd, keel are connect with steel frame supporting structure, alternatively, connecting with ALC plate;Heat insulation decoration integrated plate is connect with keel.
Compared with prior art, the present invention is by steel frame supporting structure, steel bar truss floor support plate, ALC plate, keel and heat preservation
Decorative integrated plate is used in combination, and is assembled into steel building, the present invention is to structure choosing every in assembling type steel structure residential housing
It takes and is clearly instructed.As can be seen that present invention improves structure choosings every in the building of assembling type steel structure in the prior art
It takes shortage to instruct and then is unfavorable for the technical issues of promoting.
It is provided by the invention to build the construction technology such as above-mentioned assembling type steel structure building, including first floor steel frame support knot
Structure construction, the construction of remainder layer steel frame supporting structure, steel bar truss floor support plate construction, wall construction, peripheral protective construction.
It is provided by the invention to build the construction technology such as above-mentioned assembling type steel structure building, in assembling type steel structure building
Each structure has carried out specific selection, thus the construction technology provided by the invention built such as above-mentioned assembling type steel structure building is same
Sample improves every structure in assembling type steel structure building in the prior art and chooses the technology for lacking and instructing and then be unfavorable for promote
Problem.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the assembling type steel structure building that the embodiment of the present invention one provides;
Fig. 2 is the connecting node schematic diagram between beam and steel bar truss floor support plate that the embodiment of the present invention one provides;
Fig. 3 is the connecting node schematic diagram between adjacent two pieces of steel bar truss floor support plates that the embodiment of the present invention one provides;
Connecting node schematic diagram of the Fig. 4 between the ALC plate provided of the embodiment of the present invention one and beam;
Connecting node schematic diagram of the Fig. 5 between the ALC plate provided of the embodiment of the present invention one and steel bar truss floor support plate;
Connecting node schematic diagram of the Fig. 6 between the ALC plate provided of the embodiment of the present invention one and column;
Another connecting node schematic diagram of the Fig. 7 between the ALC plate provided of the embodiment of the present invention one and beam;
Fig. 8 is the connecting node schematic diagram between adjacent two blocks of ALC plates that the embodiment of the present invention one provides;
Another connecting node signal of the Fig. 9 between the ALC plate provided of the embodiment of the present invention one and steel bar truss floor support plate
Figure;
Structural schematic diagram of the Figure 10 between the heat insulation decoration integrated plate provided of the embodiment of the present invention one and ALC plate.
In figure:
1- steel frame supporting structure;10- column;11- beam;12- diagonal brace;2- steel bar truss floor support plate;The end 20- vertical bar;21-
Truss bars;22- plastic fastener;23- end template;24- iron sheet;3-ALC plate;30- alkali resistant glass fibre open weave cloth;31- pipe clamp;4- dragon
Bone;5- heat insulation decoration integrated plate;6- angle steel;7- sliding panel;8- steel pipe anchor;9-U type card.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Middle attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the range of claimed invention, but is merely representative of selected reality of the invention
Apply example.Based on the embodiment of the present invention, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In addition, in the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The present invention provides a kind of assembling type steel structure building and its construction technology, with reference to the accompanying drawing to provided by the invention
Assembling type steel structure building and its construction technology are described in detail:
Embodiment one:
As shown in Figure 1, assembling type steel structure building provided in this embodiment includes steel frame supporting structure 1, steel bar girder
Floor support plate 2, wall and periphery.Steel frame supporting structure 1 divides for multilayer, and any one layer of steel frame supporting structure 1 includes multiple
Every the column 10, multiple beams 11 and multiple diagonal braces 12 of setting.Wherein one end of multiple columns 10 is fixed, any one column 10 it is another
End is higher than wherein one end of column 10, is equipped with beam 11 between the other end of multiple columns 10, diagonal brace 12 be mounted on column 10 and beam 11 it
Between.
Steel bar truss floor support plate 2 includes plate body and bed die, is detachably connected between plate body and bed die.Wherein, any one layer
Multiple beams 11 in steel frame supporting structure 1 are connect with plate body.Wall includes ALC plate 3, and ALC plate 3 is gone along with sb. to guard him on column 10.Outside
It goes along with sb. to guard him including keel 4 and heat insulation decoration integrated plate 5, heat insulation decoration integrated plate 5 is connect with keel 4;Keel 4 and steel frame support are tied
Structure 1 connects, alternatively, connecting with ALC plate 3.
Compared with prior art, the present embodiment is by steel frame supporting structure 1, steel bar truss floor support plate 2, ALC plate 3, keel 4
It is used in combination with heat insulation decoration integrated plate 5, is assembled into steel building, the present embodiment is to each in assembling type steel structure residential housing
The selection of item structure is instructed.Therefore, the present embodiment improves every knot in assembling type steel structure building in the prior art
Structure, which is chosen to lack, instructs and then is unfavorable for the technical issues of promoting.
Wherein, steel frame supporting structure 1 is the main structure of assembling type steel structure building, in steel frame supporting structure 1
Beam 11, power transmission is clear between column 10 and bearing diagonal, 1 construction technology of steel frame supporting structure is more mature, and can guarantee
The main structure rigidity for building the assembling type steel structure while steel using amount is less is higher.In practical applications, for steel framework
The design and construction of frame support structure 1 are referred to job specfication such as " structural steelwork job specfication ".
Wherein, steel bar truss floor support plate 2 may be implemented to exempt from formwork construction floor, meanwhile, the bottom in steel bar truss floor support plate 2
Mould is dismountable and can be recycled, and steel bar truss floor support plate 2 remove counterdie after, bottom forming surface is preferable, without the later period into
Row top finishing such as furred ceiling, to prevent stopping loss the chamber height for consuming assembling type steel structure building.
As can be seen that steel bar truss floor support plate 2 not only can also be such that the assembling type steel structure builds with lifting construction quality
The chamber height built is higher, increases the interior space.
Wherein, the design and construction of steel bar truss floor support plate 2 is referred to " steel bar truss floor support plate " and " composite floor is set
Meter and job specfication " etc. job specfications.
Wherein, as shown in Fig. 2, steel bar truss floor support plate 2 includes end vertical bar 20, truss bars 21 and end template 23, bottom
It is detachably connected between template 23 and truss bars 21 by plastic fastener 22.Wherein, plastic fastener 22 is in construction
Common fastener.
It, can be by by end as shown in Fig. 2, between beam 11 in steel bar truss floor support plate 2 and steel frame supporting structure 1
It welds and links together between vertical bar 20 and beam 11.
As shown in Fig. 2, when the gap between end template 23 and girder steel 11 is greater than 1 millimeter, to prevent spillage in construction, also
Gap between end template 23 and beam 11 need to be blocked using iron sheet 24.
As shown in figure 3, when adjacent two pieces of steel bar truss floor support plates 2 link together, if adjacent two pieces of steel bar girders
The gap between end template 23 in floor support plate 2 is greater than 1 millimeter, for the purposes of preventing spillage in construction, also needs end template 23
Gap between end template 23 is blocked using iron sheet 24.
Further, as shown in figure 3, plastic fastener 22 in steel bar truss floor support plate 2, can be through metal self threading pin
It is connected between end template 23 and truss bars 21.
Further, wall includes ALC plate 3.Wherein, ALC is autoclaved lightweight concrete (Autoclaved
Lightweight Concrete, is abbreviated as ALC), ALC plate 3 belongs to finished product large-sized sheet material, in the industrialization for meeting current country
The requirement of dress.
Wherein, the design and construction of ALC plate 3 is referred to " autoclave aerated concrete building block, sheet material structure " and " steam pressure adds
Gas concrete slab " etc. construction atlas.
In practice of construction, when the peripheral foundation wall body of assembling type steel structure building is made of ALC plate 3, due to ALC
Plate 3 belongs to rigid material, and a large amount of Steel material that assembling type steel structure building uses is relatively low compared with 3 rigidity of ALC plate, it is flexible compared with
Height, thus the connection between ALC plate 3 and the steel frame supporting structure 1 of assembling type steel structure building should be connected using steel pipe anchor 8
It connects, as shown in figure 4, steel pipe anchor 8 can be while guaranteeing bonding strength, making can between wall and steel frame supporting structure 1
Compatible deformation is generated, assembling type steel structure building is prevented to be destroyed due to rigidity extruding.
Further, positioned at the ALC plate 3 on assembling type steel structure building periphery, that is, the ALC plate 3 and steel that are located at exterior wall
The connection between beam 11 in frame support structure 1 can be linked together by steel pipe anchor 8.Specifically, as shown in figure 4, beam
It can be welded with angle steel 6 on 11, linked together, be located at by sliding panel 7, anchor bolt and steel pipe anchor 8 between angle steel 6 and ALC plate 3
Gap between ALC plate 3 at exterior wall and beam 11 can be filled by foaming agent, polyethylene stick and sealant.
Connection between the ALC plate 3 and steel bar truss floor support plate 2 on assembling type steel structure building periphery, that is, be located at
Between ALC plate 3 at exterior wall and steel bar truss floor support plate 2 connection can be similar to be located at exterior wall at beam 11 and ALC plate 3 it
Between connection.Specifically, as shown in figure 5, angle steel 6 can be fixed on steel bar truss floor support plate 2, then by angle steel 6 and ALC plate 3
Between linked together by sliding panel 7, anchor bolt and steel pipe anchor 8, the gap between steel bar truss floor support plate 2 and ALC plate 3 is filled out
It is charged into cement mortar and sealant.
As shown in fig. 6, the gap of 10~20mm can be reserved between the column 10 in steel frame supporting structure 1 and ALC plate 3,
Fill caulking agent, foaming agent and polyethylene stick in the gap again, caulking agent, foaming agent and polyethylene stick can by column 10 with
ALC plate 3 links together.Wherein, caulking agent, foaming agent and polyethylene stick are common construction material in construction.
Positioned at the ALC plate 3 of the assembling type steel structure building interior, that is, it is located at ALC plate 3 and the steel frame support at interior wall and ties
As shown in fig. 7, being welded with U-shaped card 9 on beam 11, U-shaped card 9 is fitted in 3 top of ALC plate, U-shaped for the connection between beam 11 in structure 1
Block and is filled with flexible material between 9 and ALC plate, 3 top.
As shown in figure 8, the connection between adjacent two blocks of ALC plates 3 can be linked together by caulking agent and polyethylene stick,
Alkali resistant glass fibre open weave cloth 30 can also be fitted at the splicing gap of 3 side of adjacent two blocks of ALC plates.
Positioned at the ALC plate 3 of the assembling type steel structure building interior, that is, it is located at the ALC plate 3 at interior wall and is held with steel bar girder building
Connection between plate 2 is as shown in figure 9, the bottom end for the ALC plate 3 being located at interior wall is connected with pipe clamp 31, then by 3 bottom end of ALC plate
Pipe clamp 31 is fixed on steel bar truss floor support plate 2 by anchor bolt.
When the height of ALC plate 3 is greater than 24 meters, to enable the assembling type steel structure building while meeting intensity requirement
It enough realizes compatible deformation, individual event design can be carried out according to connection type of the construction atlas to ALC plate 3.
When being built due to the assembling type steel structure by lateral force, the lateral displacement of steel frame supporting structure 1 therein and steel
The lateral displacement of muscle truss floor support plate 2 is larger.Again because of steel frame supporting structure 1 and wall connecting, steel bar truss floor support plate 2
Also with wall connecting, and the rigidity of the ALC plate 3 in wall is larger, thus to prevent wall to be destroyed when by lateral force, it needs
Make between wall and steel frame supporting structure 1 and between wall and steel bar truss floor support plate 2 can compatible deformation, in turn
Steel frame supporting structure 1 and steel bar truss floor support plate 2 can be made not to squeeze destruction wall during lateral displacement.
Further, to make between wall and steel frame supporting structure 1 and between wall and steel bar truss floor support plate 2
Can compatible deformation, rest part of the ALC plate 3 in addition to bottom in wall can be made and between steel frame supporting structure 1
Connection type be flexible connection, and make ALC plate 3 in wall and the reinforcing bar purlin that is located on steel frame supporting structure 1
Connection type between frame floor support plate 2 is also flexible connection.Flexible connection using steel pipe anchor 8 as connected.
Wherein, the column 10 in steel frame supporting structure 1 is box steel column 10, and concrete is filled in box steel column 10.
Further, the beam 11 in steel frame supporting structure 1 is steel I-beam 11.
Wherein, when beam 11 in steel frame supporting structure 1 of constructing, for being located at assembling type steel structure building periphery
Side bar can make side bar external, it can make the outside for being located at the side bar on assembling type steel structure building periphery relative at this
Wall evagination, to prevent the assembling type steel structure architecture indoor head beam.
In the present embodiment, the diagonal brace 12 in steel frame supporting structure 1 is box-shaped steel diagonal brace 12.
In the actual construction process, box-shaped steel diagonal brace 12 and the assembling type steel structure should be made to build to coordinate, prevented box-shaped
Steel diagonal brace 12 is laid in door-window opening position.
Wherein, wall further includes aerated blocks and autoclaved lime-sand brick, aerated blocks go along with sb. to guard him on steel frame supporting structure 1 with diagonal brace
At 12 corresponding positions.Autoclaved lime-sand brick is gone along with sb. to guard him on steel frame supporting structure 1 at region corresponding with toilet in building.
The design and construction of aerated blocks and autoclaved lime-sand brick are also referred to " autoclave aerated concrete building block, sheet material structure "
The construction such as " autoclaved aerated concrete slab " atlas.
Further, polyethylene stick and sealant are filled between adjacent two pieces of heat insulation decoration integrated plates 5.
Wherein, heat insulation decoration integrated plate 5 belongs to a kind of new material for integrating heat preservation, decoration, and keel 4 are for propping up
Support a kind of construction material of moulding, fixed structure.
As shown in Figure 10, at the construction field (site) construction heat-insulating decorative integrated plate 5 when, first keel 4 and steel frame can be supported
Structure 1 links together, and according to the actual situation, the part that can be built in the assembling type steel structure connects keel 4 and ALC plate 3
It is connected together, after installing rear keel 4, then heat insulation decoration integrated plate 5 and keel 4 is linked together.
Further to play heat insulation effect, and keep monolithic architecture system more beautiful, can be kept the temperature at adjacent two pieces
Filled polyethylene stick and sealant between decorative integrated plate 5.
Wherein, the design and construction between keel 4 and heat insulation decoration integrated plate 5 is referred to construction atlas such as " exterior wall dress
Adorn heat insulation integrated systematic building construction ".
In practical applications, the height of steel frame supporting structure 1 provided in this embodiment is less than 100 meters.That is the present embodiment
The assembling type steel structure building of offer is suitable for the skyscraper less than 100 meters.
In conclusion assembling type steel structure residential housing provided in this embodiment can while meeting intensity requirement,
Guarantee higher construction quality, and due to the company in assembling type steel structure building between the selection and each structure of each structure
It connects and clearly requires, thus the present embodiment has carried out whole combing to assembling type steel structure building, the present embodiment provides
Assembling type steel structure building have preferable generalization.
It is verified by site operation, assembling type steel structure building provided in this embodiment meets assembled architecture evaluation criterion
Related request, and situ wet operation can be largely reduced, while also can be well protected project surrounding enviroment, meet current state
Related request of the family for construction environment.
Each structure and major part in assembling type steel structure building provided in this embodiment can manufacture completion in the factory,
It is installed at the construction field (site) again, thus construction speed is very fast, construction personnel's demand is less, can save construction cost
It accelerates construction progress simultaneously.
Embodiment two:
The construction technology such as the assembling type steel structure building in embodiment one is built the present embodiment provides a kind of, comprising:
The construction of first floor steel frame supporting structure: the column in first floor steel frame supporting structure is installed on the ground, is pacified on column
Beam is filled, diagonal brace is installed between column and beam;
The construction of remainder layer steel frame supporting structure: connect the column in adjacent two layers steel frame supporting structure, and at every layer
Mounting rail on column in steel frame supporting structure installs diagonal brace between column and beam;
Steel bar truss floor support plate construction: after steel frame supporting structure construction is to default floor, from bottom to up successively every
Steel bar truss floor support plate is installed on beam in layer steel frame supporting structure;
Wall construction: after steel bar truss floor support plate installs, ALC plate is installed on column;
Peripheral protective construction: keel are connect with steel frame supporting structure, alternatively, connect with ALC plate, then by insulation and decoration one
Body plate is connect with keel.
Wherein, in the construction of first floor steel frame supporting structure and the construction of remainder layer steel frame supporting structure, make to be located at steel framework
The outside of the beam of frame support structure side edge is relative to the wall evagination at this, to reduce the interior space that beam occupies building.
Further, in wall construction, using the connection type of flexible connection between column and the side of ALC plate;Liang He
Steel bar truss floor support plate on ALC plate is respectively between ALC plate using the connection type of flexible connection.
The connection type of flexible connection can make between wall and steel frame supporting structure and wall and steel bar girder building
Between board can compatible deformation, prevent wall assembling type steel structure build stress when be extruded destruction.
It is provided in this embodiment to build the construction technology such as above-mentioned assembling type steel structure building, assembling type steel structure is built
In each structure carried out specific selection, thus provided by the invention build the construction technology such as above-mentioned assembling type steel structure building
It equally improves every structure in assembling type steel structure building in the prior art and chooses the skill for lacking and instructing and then be unfavorable for promote
Art problem.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.