A platform for research: civil engineering, architecture and urbanism
Unreinforced phosphogypsum-based concrete composite continuous pavement structure
The invention discloses a reinforcement-free ardealite-based concrete composite continuous pavement structure which sequentially comprises the following components from top to bottom: 4 cm of SMA-13, 6 cm of AC-20C, 24-28 cm of a continuous reinforcement-free ardealite-based concrete surface layer, 20-22 cm of ardealite-based common concrete and 18-20 cm of a high-dosage ardealite-based stabilized macadam lower base layer, wherein the SMA-13 is paved, the AC-20C is paved, the thickness of a continuous reinforcement-free ardealite-based concrete surface layer is 24-28 cm, the thickness of an upper base layer is paved, and the thickness of a lower base layer is paved; wherein the elastic modulus of SMA-13 is larger than 1500 MPa, the Poisson's ratio is 0.35, the elastic modulus of AC-20C is larger than 1200 MPa, the Poisson's ratio is 0.30, the elastic modulus of the continuous reinforcement-free phosphogypsum-based concrete surface layer is larger than 40000 MPa, the Poisson's ratio is 0.15, the elastic modulus of the upper base layer is larger than 31000 MPa, the Poisson's ratio is 0.20, the elastic modulus of the lower base layer is larger than 600 MPa, and the Poisson's ratio is 0.40. The pavement has the comprehensive performance of the continuous reinforced concrete pavement and the comprehensive performance of the asphalt pavement, the reinforcement cost is saved, the super-long joint interval is achieved, and meanwhile resource utilization of the ardealite solid waste is achieved.
本发明公开了一种无配筋磷石膏基混凝土复合连续路面结构,从上至下依次包括:SMA‑13铺设4cm,AC‑20C铺设6cm,连续无配筋磷石膏基混凝土面层厚度为24~28cm,上基层铺设厚度为20~22cm的磷石膏基普通混凝土,下基层铺设厚度为18~20的大掺量磷石膏基稳定碎石下基层;其中,SMA‑13弹性模量>1500MPa,泊松比为0.35,AC‑20C弹性模量>1200MPa,泊松比为0.30,连续无配筋磷石膏基混凝土面层弹性模量>40000MPa,泊松比为0.15,上基层弹性模量>31000MPa,泊松比为0.20,下基层弹性模量>600MPa,泊松比为0.40;本发明兼具连续配筋混凝土路面和沥青路面的综合性能,节省配筋成本且具有超长的接缝间距,同时还实现了磷石膏固废的资源化利用。
Unreinforced phosphogypsum-based concrete composite continuous pavement structure
The invention discloses a reinforcement-free ardealite-based concrete composite continuous pavement structure which sequentially comprises the following components from top to bottom: 4 cm of SMA-13, 6 cm of AC-20C, 24-28 cm of a continuous reinforcement-free ardealite-based concrete surface layer, 20-22 cm of ardealite-based common concrete and 18-20 cm of a high-dosage ardealite-based stabilized macadam lower base layer, wherein the SMA-13 is paved, the AC-20C is paved, the thickness of a continuous reinforcement-free ardealite-based concrete surface layer is 24-28 cm, the thickness of an upper base layer is paved, and the thickness of a lower base layer is paved; wherein the elastic modulus of SMA-13 is larger than 1500 MPa, the Poisson's ratio is 0.35, the elastic modulus of AC-20C is larger than 1200 MPa, the Poisson's ratio is 0.30, the elastic modulus of the continuous reinforcement-free phosphogypsum-based concrete surface layer is larger than 40000 MPa, the Poisson's ratio is 0.15, the elastic modulus of the upper base layer is larger than 31000 MPa, the Poisson's ratio is 0.20, the elastic modulus of the lower base layer is larger than 600 MPa, and the Poisson's ratio is 0.40. The pavement has the comprehensive performance of the continuous reinforced concrete pavement and the comprehensive performance of the asphalt pavement, the reinforcement cost is saved, the super-long joint interval is achieved, and meanwhile resource utilization of the ardealite solid waste is achieved.
本发明公开了一种无配筋磷石膏基混凝土复合连续路面结构,从上至下依次包括:SMA‑13铺设4cm,AC‑20C铺设6cm,连续无配筋磷石膏基混凝土面层厚度为24~28cm,上基层铺设厚度为20~22cm的磷石膏基普通混凝土,下基层铺设厚度为18~20的大掺量磷石膏基稳定碎石下基层;其中,SMA‑13弹性模量>1500MPa,泊松比为0.35,AC‑20C弹性模量>1200MPa,泊松比为0.30,连续无配筋磷石膏基混凝土面层弹性模量>40000MPa,泊松比为0.15,上基层弹性模量>31000MPa,泊松比为0.20,下基层弹性模量>600MPa,泊松比为0.40;本发明兼具连续配筋混凝土路面和沥青路面的综合性能,节省配筋成本且具有超长的接缝间距,同时还实现了磷石膏固废的资源化利用。
Unreinforced phosphogypsum-based concrete composite continuous pavement structure
一种无配筋磷石膏基混凝土复合连续路面结构
LIU JIAHUI (author) / WANG JUN (author) / ZHAO RIXU (author) / HUANG HANYANG (author) / BAO MING (author) / QU WEIFENG (author) / WAN SHIHUI (author) / LIU YANQI (author) / DONG JISHU (author)
2024-09-27
Patent
Electronic Resource
Chinese
Vibration of Unreinforced Pavement Concrete
NTIS | 1978
|North Dakota builds unreinforced pavement of air-entrained concrete
Engineering Index Backfile | 1946
More unreinforced concrete pavement being laid on New Jersey highways
Engineering Index Backfile | 1952
Design and construction of a dowel jointed unreinforced concrete pavement
British Library Online Contents | 1996
|