WO2010074606A1 - Composite reinforcement (embodiments) - Google Patents

Composite reinforcement (embodiments) Download PDF

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Publication number
WO2010074606A1
WO2010074606A1 PCT/RU2009/000680 RU2009000680W WO2010074606A1 WO 2010074606 A1 WO2010074606 A1 WO 2010074606A1 RU 2009000680 W RU2009000680 W RU 2009000680W WO 2010074606 A1 WO2010074606 A1 WO 2010074606A1
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WIPO (PCT)
Prior art keywords
winding
created
threads
surface relief
ribbons
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PCT/RU2009/000680
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French (fr)
Russian (ru)
Inventor
Антон Сергеевич ШАХОВ
Сергей Владимирович ШАХОВ
Семен Игоревич ШАБАЛИН
Станислав Игоревич ШАБАЛИН
Евгений Викторович ЛЯЛИН
Валентина Федоровна СТЕПАНОВА
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Коммерческое Научно-Производственное Объединение "Уpaльckaя Армирующая Компания"
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Publication of WO2010074606A1 publication Critical patent/WO2010074606A1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal

Definitions

  • the invention relates to construction, namely to composite reinforcement, which is used in building structures: for reinforcing monolithic concrete and prefabricated buildings; for use in structural elements of buildings in the form of separate rods; for the manufacture of heat-insulating wall panels; for reinforcing concrete products (slabs, foundations) working on an elastic foundation; for soil reinforcement of the foundations of buildings and structures, including the foundations of motorways and roads; for reinforcing asphalt roads; for anchoring in the ground retaining walls and structures.
  • Known fiberglass reinforcement according to patent RU 2194135 (publ. 10.12.2002), containing a supporting rod of high-strength polymer material and a winding with ledges, which are made in the form of a bundle of threads impregnated with a binder and spirally applied with an interference fit equal to 1/2 - 1/10 diameter of pressing the rope into the surface of the supporting rod, the diameter of winding the rope being up to 2d, where d is the diameter of the supporting rod, while the core can be equipped with a second strand of threads with the opposite direction of winding to the first, and can also be made with eral grooves alternating with benches.
  • composite reinforcement containing a supporting rod of high-strength polymer material and winding with bundles and ribbons of threads; and harnesses; ribbons whose surface relief created by winding one or the opposite direction, and the surface topography of the rod is created by winding bundles and ribbons of threads; harnesses; ribbons of threads of multiple windings of different cross-sectional areas and steps, moreover, the step of multi-starting winding is equal to the sum of the steps of different approaches of winding, and the ratio of the cross-sectional areas of winding bundles and tapes is in the range from 1.01 to 250.
  • the armature contains a supporting rod of high-strength polymer material and a winding:
  • bundles and ribbons of threads the surface relief of which is created by a winding in the opposite direction, and the surface relief of the core is created by winding bundles and ribbons of threads of multiple windings.
  • bundles and ribbons of threads the surface relief of which is created by a winding of one direction
  • the surface relief of the rod is created by winding bundles and ribbons of multi-thread winding.
  • ribbons of threads the surface relief of which is created by a winding of the opposite direction
  • the surface relief of the core is created by winding ribbons of multi-thread windings.
  • ribbons of threads the surface relief of which is created by a winding of one direction
  • the surface relief of the rod is created by winding ribbons of multi-thread windings.
  • winding with strands of threads the surface relief of which is created by windings of the opposite direction
  • the surface relief of the rod is created by winding bundles of threads of multiple windings.
  • the strands of threads, the surface relief of which is created by a winding of one direction, the surface relief of the rod is created by winding bundles of threads of multi-thread winding.
  • Composite fittings are made by the method of longitudinal drawing of the fibers of a support rod with multi-helical spiral winding of ledges of various sizes from high-strength polymer material (glass, basalt, carbon and other fibers) impregnated with an epoxy compound based on ED-20 resin with a hardener. After curing, the resulting rod is cut into pieces of the required length.
  • the method of obtaining the fittings is simple, technological, does not require the development of special equipment and does not require additional capital costs.
  • the invention is illustrated by drawings.
  • FIG. 1 shows a 4-way composite reinforcement with a surface relief created by winding bundles and ribbons of threads of the opposite direction of winding.
  • Figure 2 shows a 4-way composite reinforcement with a surface relief created by winding bundles and ribbons of threads of one direction of winding.
  • Fig. 3 shows a 4-way composite reinforcement with a surface relief created by winding ribbons of threads of the opposite direction of winding.
  • Figure 4 shows a 4-way composite reinforcement with a surface relief created by winding ribbons of threads of one direction of winding.
  • Figure 5 shows a 4-way composite reinforcement with a surface relief created by winding bundles of threads in the opposite direction of winding.
  • Figure 6 shows a 4-way composite reinforcement with a surface relief created by winding bundles of threads of one direction of winding.
  • the surface relief of the rod is created by winding bundles and tapes of the opposite direction of winding.
  • the composite reinforcement comprises a supporting rod 1 (Fig. 1) of high-strength polymer material (for example, fiberglass, basalt fiber) and spiral windings of opposite directions, made of the same fibers and impregnated with an epoxy compound.
  • the windings 2, 3, 4, 5 are simultaneously applied to the rod 1, i.e. made by multiple start.
  • the parameters of the bundles and tapes of these windings and the application step are different.
  • the windings 6,7,8,9 are also made multi-starting, but in the opposite direction of winding.
  • the parameters of the tapes of these windings and the application step are also different.
  • the surface relief of the rod is created by winding ropes and tapes of the same direction of winding.
  • the winding 10 is made of a bundle, and the windings 11, 12, 13 are made of tapes.
  • the parameters of the tapes and the step of their application are different.
  • the surface relief of the rod is created by wrapping tapes of the opposite direction of winding.
  • the windings 14, 15, 16, 17 of one direction, and the windings 18, 19, 20, 21 of the opposite direction of winding are made of ribbons of threads of different sizes and applied with different increments.
  • the surface relief of the rod is created by wrapping tapes of one direction of winding.
  • the windings 22, 23, 24, 25 are made of ribbons of threads of different sizes and are applied in different increments.
  • the surface relief of the rod is created by winding ropes of the opposite direction of winding.
  • the windings 26, 27, 28, 29 of one direction, and the windings 30, 31, 32, 33 of the opposite direction of winding are made of bundles of threads of different sizes and applied with different increments.
  • the surface relief of the rod is created by winding bundles of one direction of winding.
  • the windings 34, 35, 36, 37 are made of bundles of threads of different sizes and applied with different pitch.
  • Adhesion to concrete was determined by the efforts of pulling out reinforcement options from cement-sand castings of the MlOO brand with a casting length of 100 mm.
  • the winding is made of 4 starting from bundles and tapes of the opposite direction of winding.
  • the tow is 2.5 mm in diameter, the cross-sectional area of the tow is 4.9 mm 2 .
  • the winding is made of 4 starting from bundles and tapes of one direction of winding.
  • the reinforcement is made of 4 inlets from bundles of the opposite direction of winding.
  • the reinforcement is made of 4 inlets from bundles of one direction of winding.
  • a tourniquet with a diameter of 3 mm, a cross-sectional area of 7.065 mm, a tourniquet with a diameter of 0.18 mm, a cross-sectional area of 0.025 mm 2 , K 282.6, Breakage of a winding thread.
  • the test results are shown in the table:
  • the range of applicability of the reinforcement according to the ratio of the cross-sectional area “K” of the spiral windings is in the range from 1.02 to 227.9.
  • the proposed reinforcement composite with a variable value of screw protrusions formed by multi-winding of winding bundles, tapes in different combinations of cross-sectional areas and winding steps of one and the opposite directions increases the adhesion of the reinforcement to concrete, which, in turn, increases the bearing capacity of building structures.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

The invention relates to construction, specifically to composite reinforcements. The composite reinforcement comprises a supporting rod, which is made of a high-strength polymeric material, and a coil with coiled braids and strips of fibres, wherein the relief of the surface of said supporting rod is formed by the coil in one or the other direction, wherein the relief of the surface of the rod is formed by coiled braids and strips of fibres, or by braids or strips of fibres with a multiple-turn winding with different sectional areas and pitches, wherein the pitch of the multiple-turn winding is equal to the sum of the pitches of the different threads of the winding, and the ratio of the sectional areas of the coiled braids to strips is in the range of 1.01 to 250.

Description

АРМАТУРА КОМПОЗИТНАЯ (ВАРИАНТЫ) COMPOSITE FITTINGS (OPTIONS)
Изобретение относится к строительству, а именно к композитной арматуре, которая применяется в строительных конструкциях: для армирования монолитных бетонных и сборных зданий; для использования в конструктивных элементах зданий в виде отдельных стержней; для изготовления термоизоляционных стеновых панелей; для армирования бетонных изделий (плиты, фундаменты), работающих на упругом основании; для армирования грунта оснований зданий и сооружений, в том числе оснований автомагистралей и дорог; для армирования асфальтобетонного покрытия дорог; для анкеровки в грунте подпорных стен и сооружений.The invention relates to construction, namely to composite reinforcement, which is used in building structures: for reinforcing monolithic concrete and prefabricated buildings; for use in structural elements of buildings in the form of separate rods; for the manufacture of heat-insulating wall panels; for reinforcing concrete products (slabs, foundations) working on an elastic foundation; for soil reinforcement of the foundations of buildings and structures, including the foundations of motorways and roads; for reinforcing asphalt roads; for anchoring in the ground retaining walls and structures.
Известен арматурный элемент, содержащий стержень из высокопрочного полимерного материала и обмотку с уступами (Фролов В.П. Стеклопластиковая арматура и стеклобетонные конструкции. M.,Cтpoйиздaт, 1980, c.20-27).Known reinforcing element containing a rod of high-strength polymer material and a winding with ledges (Frolov V.P. Fiberglass reinforcement and glass-concrete structures. M., Stroyizdat, 1980, p.20-27).
Недостатком такого арматурного элемента является низкая степень сцепления с бетоном.The disadvantage of such a reinforcing element is the low degree of adhesion to concrete.
Известна арматура стеклопластиковая по патенту RU 2194135 (опубл. 10.12.2002), содержащая несущий стержень из высокопрочного полимерного материала и обмотку с уступами, которые выполнены в виде жгута нитей, пропитанных связующим и спирально нанесенных с натягом, равным 1/2 - 1/10 диаметра вдавливания жгута в поверхность несущего стержня, причем диаметр навивки жгута составляет до 2d, где d - диаметр несущего стержня, при этом стержень может быть снабжен вторым жгутом нитей с противоположным направлением навивки первому, а также может быть выполнен со спиральными канавками, чередующимися с уступами.Known fiberglass reinforcement according to patent RU 2194135 (publ. 10.12.2002), containing a supporting rod of high-strength polymer material and a winding with ledges, which are made in the form of a bundle of threads impregnated with a binder and spirally applied with an interference fit equal to 1/2 - 1/10 diameter of pressing the rope into the surface of the supporting rod, the diameter of winding the rope being up to 2d, where d is the diameter of the supporting rod, while the core can be equipped with a second strand of threads with the opposite direction of winding to the first, and can also be made with eral grooves alternating with benches.
Недостатком такой арматуры является низкая степень сцепления с бетоном.The disadvantage of such reinforcement is the low degree of adhesion to concrete.
Известна арматура стеклопластиковая по патенту на ПМ RU 77310 (опубл. 20.10.2008), содержащая несущий стержень из высокопрочного полимерного материала и обмотку, выполненную жгутами или обмоточной лентой одного или противоположного направления навивки, причем соотношение площадей обмоточного жгута и обмоточной ленты находится в пределах от 1 до 150.Known fiberglass reinforcement according to the patent for PM RU 77310 (publ. 20.10.2008), containing a supporting rod of high-strength polymer material and a winding made of braids or a winding tape of one or the opposite direction of winding, and the ratio of the areas of the winding bundle and the winding tape is in the range from 1 to 150.
Недостатком такой арматуры является низкая степень сцепления с бетоном.The disadvantage of such reinforcement is the low degree of adhesion to concrete.
Для достижения указанного технического результата в арматуре композитной, содержащей несущий стержень из высокопрочного полимерного материала и обмотку жгутами и лентами нитей; и жгутами; лентами, рельеф поверхности которого создан обмоткой одного или противоположного направления, причем рельеф поверхности стержня создан обмоточными жгутами и лентами нитей; жгутами; лентами нитей многозаходной навивки различных площадей сечений и шагов, причем, шаг многозаходной навивки равен сумме шагов различных заходов навивки, а соотношение площадей сечений обмоточных жгутов и лент находятся в пределах от 1,01 до 250.To achieve the specified technical result in composite reinforcement containing a supporting rod of high-strength polymer material and winding with bundles and ribbons of threads; and harnesses; ribbons whose surface relief created by winding one or the opposite direction, and the surface topography of the rod is created by winding bundles and ribbons of threads; harnesses; ribbons of threads of multiple windings of different cross-sectional areas and steps, moreover, the step of multi-starting winding is equal to the sum of the steps of different approaches of winding, and the ratio of the cross-sectional areas of winding bundles and tapes is in the range from 1.01 to 250.
Арматура содержит несущий стержень из высокопрочного полимерного материала и обмотку:The armature contains a supporting rod of high-strength polymer material and a winding:
По 1 варианту жгутами и лентами нитей, рельеф поверхности которого создан обмоткой противоположного направления причем рельеф поверхности стержня создан обмоточными жгутами и лентами нитей многозаходной навивки.According to option 1, bundles and ribbons of threads, the surface relief of which is created by a winding in the opposite direction, and the surface relief of the core is created by winding bundles and ribbons of threads of multiple windings.
По 2 варианту жгутами и лентами нитей, рельеф поверхности которого создан обмоткой одного направления рельеф поверхности стержня создан обмоточными жгутами и лентами нитей многозаходной навивки.According to option 2, bundles and ribbons of threads, the surface relief of which is created by a winding of one direction, the surface relief of the rod is created by winding bundles and ribbons of multi-thread winding.
По 3 варианту лентами нитей, рельеф поверхности которого создан обмоткой противоположного направления рельеф поверхности стержня создан обмоточными лентами нитей многозаходной навивки.According to option 3, ribbons of threads, the surface relief of which is created by a winding of the opposite direction, the surface relief of the core is created by winding ribbons of multi-thread windings.
По 4 варианту лентами нитей, рельеф поверхности которого создан обмоткой одного направления рельеф поверхности стержня создан обмоточными лентами нитей многозаходной навивки.According to option 4, ribbons of threads, the surface relief of which is created by a winding of one direction, the surface relief of the rod is created by winding ribbons of multi-thread windings.
По 5 варианту обмотку жгутами нитей, рельеф поверхности которого создан обмоткой противоположного направления рельеф поверхности стержня создан обмоточными жгутами нитей многозаходной навивки.According to the 5th option, winding with strands of threads, the surface relief of which is created by windings of the opposite direction, the surface relief of the rod is created by winding bundles of threads of multiple windings.
По 6 варианту жгутами нитей, рельеф поверхности которого создан обмоткой одного направления рельеф поверхности стержня создан обмоточными жгутами нитей многозаходной навивки.According to version 6, the strands of threads, the surface relief of which is created by a winding of one direction, the surface relief of the rod is created by winding bundles of threads of multi-thread winding.
Благодаря наличию этих признаков создан новый вид композитной арматуры, имеющей повышенное сцепление с бетоном.Thanks to these features, a new type of composite reinforcement has been created, which has increased adhesion to concrete.
Арматуру композитную изготавливают методом продольной протяжки волокон несущего стержня со спиральной многозаходной намоткой уступов различной величины из высокопрочного полимерного материала (стеклянных, базальтовых, углеродных и других волокон), пропитанных эпоксидным компаундом на основе смолы ЭД-20 с отвердителем. После отверждения полученный стержень разрезают на отрезки необходимой длины. Способ получения арматуры прост, технологичен, не требует разработки специального оборудования и не требует дополнительных капитальных затрат. Изобретение поясняется чертежами.Composite fittings are made by the method of longitudinal drawing of the fibers of a support rod with multi-helical spiral winding of ledges of various sizes from high-strength polymer material (glass, basalt, carbon and other fibers) impregnated with an epoxy compound based on ED-20 resin with a hardener. After curing, the resulting rod is cut into pieces of the required length. The method of obtaining the fittings is simple, technological, does not require the development of special equipment and does not require additional capital costs. The invention is illustrated by drawings.
На фиг. 1 изображена 4-х заходная композитная арматура с рельефом поверхности, созданным обмоточными жгутами и лентами нитей противоположного направления навивки.In FIG. 1 shows a 4-way composite reinforcement with a surface relief created by winding bundles and ribbons of threads of the opposite direction of winding.
На фиг.2 изображена 4-х заходная композитная арматура с рельефом поверхности, созданным обмоточными жгутами и лентами нитей одного направления навивки.Figure 2 shows a 4-way composite reinforcement with a surface relief created by winding bundles and ribbons of threads of one direction of winding.
На фиг.З изображена 4-х заходная композитная арматура с рельефом поверхности, созданным обмоточными лентами нитей противоположного направления навивки.Fig. 3 shows a 4-way composite reinforcement with a surface relief created by winding ribbons of threads of the opposite direction of winding.
На фиг.4 изображена 4-х заходная композитная арматура с рельефом поверхности, созданным обмоточными лентами нитей одного направления навивки.Figure 4 shows a 4-way composite reinforcement with a surface relief created by winding ribbons of threads of one direction of winding.
На фиг.5 изображена 4-х заходная композитная арматура с рельефом поверхности, созданным обмоточными жгутами нитей противоположного направления навивки.Figure 5 shows a 4-way composite reinforcement with a surface relief created by winding bundles of threads in the opposite direction of winding.
На фиг.6 изображена 4-х заходная композитная арматура с рельефом поверхности, созданным обмоточными жгутами нитей одного направления навивки.Figure 6 shows a 4-way composite reinforcement with a surface relief created by winding bundles of threads of one direction of winding.
В арматуре, изображенной на фиг.l, рельеф поверхности стержня создан обмоточными жгутами и лентами противоположного направления навивки.In the reinforcement depicted in Fig. L, the surface relief of the rod is created by winding bundles and tapes of the opposite direction of winding.
Арматура композитная содержит несущий стержень 1 (Фиг.l) из высокопрочного полимерного материала (например, стекловолокно, базальтовое волокно) и спиральные обмотки противоположных направлений, выполненные из таких же волокон и пропитанные эпоксидным компаундом. Обмотки 2, 3, 4, 5 одновременно нанесены на стержень 1, т.е. выполнены многозаходными. Параметры жгутов и лент этих обмоток и шаг нанесения различны. Обмотки 6,7,8,9 также выполнены многозаходными, но противоположного направления навивки. Параметры лент этих обмоток и шаг нанесения также различны.The composite reinforcement comprises a supporting rod 1 (Fig. 1) of high-strength polymer material (for example, fiberglass, basalt fiber) and spiral windings of opposite directions, made of the same fibers and impregnated with an epoxy compound. The windings 2, 3, 4, 5 are simultaneously applied to the rod 1, i.e. made by multiple start. The parameters of the bundles and tapes of these windings and the application step are different. The windings 6,7,8,9 are also made multi-starting, but in the opposite direction of winding. The parameters of the tapes of these windings and the application step are also different.
В арматуре, изображенной на фиг.2, рельеф поверхности стержня создан обмоточными жгутами и лентами одного направления навивки. Обмотка 10 выполнена из жгута, а обмотки 11, 12, 13 выполнены из лент. Параметры лент и шаг их нанесения различны.In the reinforcement depicted in figure 2, the surface relief of the rod is created by winding ropes and tapes of the same direction of winding. The winding 10 is made of a bundle, and the windings 11, 12, 13 are made of tapes. The parameters of the tapes and the step of their application are different.
В арматуре, изображенной на фиг. 3, рельеф поверхности стержня создан обмоточными лентами противоположного направления навивки. Обмотки 14, 15, 16, 17 одного направления, и обмотки 18, 19, 20, 21 противоположного направления навивки выполнены из лент нитей разного размера и нанесены с разным шагом. В арматуре, изображенной на фиг. 4, рельеф поверхности стержня создан обмоточными лентами одного направления навивки. Обмотки 22, 23, 24, 25 выполнены из лент нитей разных размеров и нанесены с различным шагом.In the reinforcement depicted in FIG. 3, the surface relief of the rod is created by wrapping tapes of the opposite direction of winding. The windings 14, 15, 16, 17 of one direction, and the windings 18, 19, 20, 21 of the opposite direction of winding are made of ribbons of threads of different sizes and applied with different increments. In the reinforcement depicted in FIG. 4, the surface relief of the rod is created by wrapping tapes of one direction of winding. The windings 22, 23, 24, 25 are made of ribbons of threads of different sizes and are applied in different increments.
В арматуре, изображенной на фиг. 5, рельеф поверхности стержня создан обмоточными жгутами противоположного направления навивки. Обмотки 26, 27, 28, 29 одного направления, и обмотки 30, 31, 32, 33 противоположного направления навивки выполнены из жгутов нитей разного размера и нанесены с разным шагом.In the reinforcement depicted in FIG. 5, the surface relief of the rod is created by winding ropes of the opposite direction of winding. The windings 26, 27, 28, 29 of one direction, and the windings 30, 31, 32, 33 of the opposite direction of winding are made of bundles of threads of different sizes and applied with different increments.
В арматуре, изображенной на фиг. 6, рельеф поверхности стержня создан обмоточными жгутами одного направления навивки. Обмотки 34, 35, 36, 37 выполнены из жгутов нитей разного размера и нанесены с разным шагом.In the reinforcement depicted in FIG. 6, the surface relief of the rod is created by winding bundles of one direction of winding. The windings 34, 35, 36, 37 are made of bundles of threads of different sizes and applied with different pitch.
Были проведены сравнительные испытания по определению сцепления с бетоном базальтопластиковой арматуры с наружным диаметром 8 мм при различных вариантах рельефности. Диапазон применимости вариантов выполнения рельефности определяется по соотношению площадей сечений обмоток - коэффициенту «K». K=Fmax/Fmm, где: Fтах- максимальная площадь сечения обмоточного жгута или ленты; Fmin- минимальная площадь сечения обмоточного жгута или ленты.Comparative tests were carried out to determine the adhesion to concrete of basalt-plastic reinforcement with an outer diameter of 8 mm for various types of relief. The range of applicability of the embossed embodiments is determined by the ratio of the winding cross-sectional areas to the “K” coefficient. K = F max / F mm , where: F max - the maximum cross-sectional area of the winding cord or tape; F m i n - the minimum cross-sectional area of the winding cord or tape.
Сцепление с бетоном определялось по усилиям выдергивания вариантов исполнения арматуры из цементно-песчаных заливок марки MlOO при длине заливки 100мм. В таблице приведены удельные значения усилия выдергивания (сцепления) на единицу длины арматуры A= н/мм.Adhesion to concrete was determined by the efforts of pulling out reinforcement options from cement-sand castings of the MlOO brand with a casting length of 100 mm. The table shows the specific values of the pulling force (clutch) per unit length of the reinforcement A = n / mm.
В первом варианте исполнения арматура по прототипу имела однозаходную обмотку из базальтового жгута диаметром 3 мм с шагом t=15мм, величина A=62 н/мм.In the first embodiment, the reinforcement according to the prototype had a single-start winding from a basalt tow with a diameter of 3 mm with a pitch of t = 15 mm, the value of A = 62 n / mm.
Во втором варианте исполнения арматуры обмотка выполнена 4-х заходной из жгутов и лент противоположного направления навивки. Жгут диаметром 2,5 мм, площадь сечения жгута - 4,9 мм2. Лента (0,5xl0)мм, площадь сечения 5мм2, A=78н/мм, K=l,02.In the second embodiment of the reinforcement, the winding is made of 4 starting from bundles and tapes of the opposite direction of winding. The tow is 2.5 mm in diameter, the cross-sectional area of the tow is 4.9 mm 2 . Tape (0.5xl0) mm, cross-sectional area 5mm 2 , A = 78n / mm, K = l, 02.
В третьем варианте исполнения арматуры обмотка выполнена 4-х заходной из жгутов и лент одного направления навивки. Жгут диаметром Змм, площадь сечения 7,065мм2, лента (0,lxЗ)мм, площадь сечения 0,3мм2, A=84н/мм, K=23,5.In the third embodiment of the reinforcement, the winding is made of 4 starting from bundles and tapes of one direction of winding. A bundle with a diameter of Zmm, a cross-sectional area of 7.065mm 2 , a tape (0, lxЗ) mm, a cross-sectional area of 0.3mm 2 , A = 84n / mm, K = 23.5.
В четвертом варианте исполнения арматуры обмотка выполнена 4-х заходной из лент противоположного направления навивки. Лента (0,5x10)мм, площадь сечения 5мм2, (0,lxЗ)мм, площадь сечения 0,3мм2, A=80н/мм, K=I 6,6.In the fourth embodiment, the reinforcement winding is made of 4 starting from tapes of the opposite direction of winding. Tape (0.5x10) mm, cross-sectional area 5mm 2 , (0, lxЗ) mm, cross-sectional area 0.3mm 2 , A = 80n / mm, K = I 6.6.
В пятом варианте исполнения арматура выполнена 4-х заходной из лент одного направления навивки. Ленты (ЗxlO)мм, площадь сечения 30мм , (0,1x3), площадь сечения 0,3мм2, A=88н/мм, K=IOO.In the fifth embodiment, the reinforcement is made of 4 inlet from tapes of the same direction of winding. Tapes (ЗxlO) mm, cross-sectional area 30mm, (0.1x3), cross-sectional area 0.3mm 2 , A = 88n / mm, K = IOO.
В шестом варианте исполнения арматура выполнена 4-х заходной из жгутов противоположного направления навивки. Жгут диаметром Змм, площадь сечения 7,065мм2, жгут диаметром 0,2мм, площадь сечения 0,031мм2, A=92н/мм, K=227,9. В седьмом варианте исполнения арматура выполнена 4-х заходной из жгутов одного направления навивки. Жгут диаметром 3 мм, площадь сечения 7,065мм , жгут диаметром 0,18мм, площадь сечения 0,025мм2, K=282,6, Обрыв обмоточной нити. Результаты испытаний приведены в таблице:In the sixth embodiment, the reinforcement is made of 4 inlets from bundles of the opposite direction of winding. A tourniquet with a diameter of Zmm, a cross-sectional area of 7.065mm 2 , a tourniquet with a diameter of 0.2mm, a cross-sectional area of 0.031mm 2 , A = 92n / mm, K = 227.9. In the seventh embodiment, the reinforcement is made of 4 inlets from bundles of one direction of winding. A tourniquet with a diameter of 3 mm, a cross-sectional area of 7.065 mm, a tourniquet with a diameter of 0.18 mm, a cross-sectional area of 0.025 mm 2 , K = 282.6, Breakage of a winding thread. The test results are shown in the table:
Figure imgf000006_0001
Figure imgf000006_0001
Диапазон применимости арматуры по соотношению площадей сечения «K» спиральных обмоток находится в пределах от 1,02 до 227,9.The range of applicability of the reinforcement according to the ratio of the cross-sectional area “K” of the spiral windings is in the range from 1.02 to 227.9.
При K<l,02 значительно повышается наружный диаметр арматуры в местах пересечения обмоток противоположных направлений.When K <l, 02, the outer diameter of the reinforcement increases significantly at the intersection of the windings of opposite directions.
При K> 227,9 тонкий обмоточный жгут из-за малой прочности рвется в нитетракте обмотчика.At K> 227.9, a thin winding bundle breaks due to low strength in the net path of the wrapper.
Предлагаемая арматура композитная с переменной величиной винтовых выступов, образованных многозаходной навивкой обмоточных жгутов, лент в разных комбинациях площадей сечений и шагов намотки одного и противоположных направлений повышает сцепление арматуры с бетоном, что, в свою очередь, повышает несущую способность строительных конструкций. The proposed reinforcement composite with a variable value of screw protrusions formed by multi-winding of winding bundles, tapes in different combinations of cross-sectional areas and winding steps of one and the opposite directions increases the adhesion of the reinforcement to concrete, which, in turn, increases the bearing capacity of building structures.

Claims

ФОРМУЛА ИЗОБРЕТЕНИЯ CLAIM
1. Арматура композитная, содержащая несущий стержень из высокопрочного полимерного материала и обмотку жгутами и лентами нитей, рельеф поверхности которого создан обмоткой противоположного направления отличающаяся тем, что рельеф поверхности стержня создан обмоточными жгутами и лентами нитей многозаходной навивки различных площадей сечений и шагов, причем, шаг многозаходной навивки равен сумме шагов различных заходов навивки, а соотношение площадей сечений обмоточных жгутов и лент находятся в пределах от 1,01 до 250.1. Composite reinforcement containing a supporting rod of high-strength polymeric material and winding with bundles and ribbons of threads, the surface relief of which is created by windings of the opposite direction, characterized in that the surface relief of the rod is created by winding bundles and ribbons of threads of multiple windings of various sections and steps, and, step multi-start winding is equal to the sum of the steps of different approaches of winding, and the ratio of the cross-sectional areas of the winding harnesses and ribbons is in the range from 1.01 to 250.
2. Арматура композитная, содержащая несущий стержень из высокопрочного полимерного материала и обмотку жгутами и лентами нитей, рельеф поверхности которого создан обмоткой одного направления отличающаяся тем, что рельеф поверхности стержня создан обмоточными жгутами и лентами нитей многозаходной навивки различных площадей сечений и шагов, причем, шаг многозаходной навивки равен сумме шагов различных заходов навивки, а соотношение площадей сечений обмоточных жгутов и лент находятся в пределах от 1,01 до 250.2. Composite reinforcement containing a supporting rod of high-strength polymer material and winding with bundles and ribbons of threads, the surface relief of which is created by a winding of one direction, characterized in that the surface relief of the rod is created by winding bundles and ribbons of threads of multiple windings of various sections and steps, and, the step multi-start winding is equal to the sum of the steps of different approaches of winding, and the ratio of the cross-sectional areas of the winding harnesses and ribbons is in the range from 1.01 to 250.
3. Арматура композитная, содержащая несущий стержень из высокопрочного полимерного материала и обмотку лентами нитей, рельеф поверхности которого создан обмоткой противоположного направления отличающаяся тем, что рельеф поверхности стержня создан обмоточными лентами нитей многозаходной навивки различных площадей сечений и шагов, причем, шаг многозаходной навивки равен сумме шагов различных заходов навивки, а соотношение площадей сечений обмоточных лент находятся в пределах от 1,01 до 250.3. Composite reinforcement containing a supporting rod made of high-strength polymeric material and winding with ribbons of threads, the surface relief of which is created by windings of the opposite direction, characterized in that the surface relief of the rod is created with winding ribbons of threads of multiple windings of different cross-sectional areas and steps, and the step of multi-starting winding is equal to the sum steps of different approaches of winding, and the ratio of the cross-sectional areas of the winding tapes is in the range from 1.01 to 250.
4. Арматура композитная, содержащая несущий стержень из высокопрочного полимерного материала и обмотку лентами нитей, рельеф поверхности которого создан обмоткой одного направления отличающаяся тем, что рельеф поверхности стержня создан обмоточными лентами нитей многозаходной навивки различных площадей сечений и шагов, причем, шаг многозаходной навивки равен сумме шагов различных заходов навивки, а соотношение площадей сечений обмоточных лент находятся в пределах от 1,01 до 250.4. Composite reinforcement containing a supporting rod of high-strength polymer material and a winding with ribbons of threads, the surface relief of which is created by a winding in one direction, characterized in that the surface relief of the rod is created by winding ribbons of threads of multiple windings of different cross-sectional areas and steps, and the step of multiple winding is equal to the sum steps of various windings, and the ratio of the cross-sectional area of the winding tapes is in the range from 1.01 to 250.
5. Арматура композитная, содержащая несущий стержень из высокопрочного полимерного материала и обмотку жгутами нитей, рельеф поверхности которого создан обмоткой противоположного направления отличающаяся тем, что рельеф поверхности стержня создан обмоточными жгутами нитей многозаходной навивки различных площадей сечений и шагов, причем, шаг многозаходной навивки равен сумме шагов различных заходов навивки, а соотношение площадей сечений обмоточных жгутов находятся в пределах от 1,01 до 250.5. Composite reinforcement containing a supporting rod of high-strength polymeric material and winding with strands of threads, the surface relief of which is created by windings of the opposite direction, characterized in that the surface relief of the core is created by winding strands of multi-thread windings of different cross-sectional areas and steps, moreover, the step of multi-thread winding is equal to the sum steps of different approaches of winding, and the ratio of the cross-sectional areas of the winding harnesses is in the range from 1.01 to 250.
6. Арматура композитная, содержащая несущий стержень из высокопрочного полимерного материала и обмотку жгутами нитей, рельеф поверхности которого создан обмоткой одного направления отличающаяся тем, что рельеф поверхности стержня создан обмоточными жгутами нитей многозаходной навивки различных площадей сечений и шагов, причем, шаг многозаходной навивки равен сумме шагов различных заходов навивки, а соотношение площадей сечений обмоточных жгутов и лент находятся в пределах от 1,01 до 250. 6. Composite reinforcement containing a supporting rod of high-strength polymeric material and winding with strands of threads, the surface relief of which is created by a winding of one direction, characterized in that the surface relief of the core is created by winding strands of multi-thread windings of different cross-sectional areas and steps, moreover, the step of multi-thread winding is equal to the sum steps of different approaches of winding, and the ratio of the cross-sectional areas of the winding harnesses and ribbons is in the range from 1.01 to 250.
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