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　　路缘石【curb】是公路两侧路面与路肩之间的条形构造物。结构尺寸通常是99cm*15cm*15cm。一般高出路面10cm。路缘石是设置在路面与其它构造物之间的标石。（或说为，是设置在路面边缘与横断面其它组成部分分界处的标石）

　　A curbstone is a strip-shaped structure between the road surface and shoulder on both sides of a highway. The structural dimensions are usually 99cm * 15cm * 15cm. Generally, it is 10cm higher than the road surface. A curbstone is a marker placed between the road surface and other structures. (Or in other words, it is a marker stone set at the boundary between the edge of the road surface and other components of the cross-section)

　　在分隔带和路面之间，人行道与路面之间一般都要设置路缘石，另外在交通岛，安全岛都设置缘石。

　　Generally, curbstones are installed between the median and the road surface, as well as between the sidewalk and the road surface. In addition, curbstones are installed on traffic islands and safety islands.

　　其形式有立式，斜式和平式等。

　　Its forms include vertical, inclined, and flat.

　　路缘石：道路绿地边缘石的简称。路缘石是设在路面与其他构造物之间的标石。在城市道路的分隔带与路面之间、人行道与路面之间一般都需设路缘石，在公路的中央分隔带边缘、行车道右侧边缘或路肩外侧边缘常需设路缘石。

　　Roadstone: The abbreviation for the edge stone of road green space. A curbstone is a marker placed between the road surface and other structures. Generally, curbstones are required between the median strip and the road surface in urban roads, as well as between sidewalks and the road surface. curbstones are often required at the edge of the central median strip, the right edge of the roadway, or the outer edge of the shoulder of the road.

　　新型路缘石的构思相关：新型路缘石采用上下双层复合结构，上层为普通混凝土，下层为多孔混凝土，从而使得路缘石下层具有渗水功能；路缘石背面外侧至少在多孔混凝土层内有随路缘石纵向延伸的内凹缺口孔涵，使之具有引水功能。路缘石上层采用普通混凝土，其不透水性可以避免路面雨水倒灌至路面结构内，同时使得面层具有较强的结构强度。下层采用多孔混凝土，形成透水层，可以使路面结构内的水通过该透水层得到顺畅外排（通常道路同一横断面，路中要高于两边，路面结构内部水，在重力作用下向两侧流动，到达路面边即进入缘石的多孔混凝土层排出）。路缘石背面外侧在多孔混凝土层内有随缘石纵向延伸的内凹缺口孔涵，将渗排水引导排入路边相间的雨水井，从而彻底排出路面结构内部水。

　　The concept of the new type of curbstone is related: the new type of curbstone adopts a double-layer composite structure, with the upper layer made of ordinary concrete and the lower layer made of porous concrete, so that the lower layer of the curbstone has water permeability function; At least on the outer side of the back of the curbstone, there is a concave notch hole culvert that extends longitudinally along the curbstone in the porous concrete layer, giving it the function of water diversion. The upper layer of the curbstone is made of ordinary concrete, which has impermeability and can prevent rainwater from pouring into the pavement structure, while also giving the surface layer strong structural strength. The lower layer is made of porous concrete to form a permeable layer, which allows water in the pavement structure to be smoothly discharged through the permeable layer (usually in the same cross-section of the road, the middle of the road is higher than both sides, and the water inside the pavement structure flows towards both sides under the action of gravity, reaching the edge of the pavement and entering the porous concrete layer of the curbstone for discharge). On the outer side of the back of the curbstone, there are concave notch culverts extending longitudinally along the curbstone in the porous concrete layer, which guide the seepage water into the rainwater wells alternately on the roadside, thereby completely draining the water inside the pavement structure.

　　路缘石施工工艺标准Technology standard路缘石主要有:立缘石(侧石)，平缘石(平石)、专用路缘石(包括弯道路缘石、隔离带路缘石、反光路缘石、减速路缘石)等。路缘石宜用石材或混凝土制作。

　　The construction technology standard for curbstones mainly includes: standing curbstones (side curbstones), flat curbstones (flat curbstones), specialized curbstones (including curved curbstones, median curbstones, reflective curbstones, deceleration curbstones), etc. The curbstone should be made of stone or concrete.

　　工法特点

　　Characteristics of construction methods

　　本工法通过优化设计路缘石的顺直度，稳固度，混凝土的抗压强度，加快了施工进度，能够创造较高的经济效益。

　　This construction method accelerates the construction progress and creates high economic benefits by optimizing the straightness, stability, and compressive strength of the designed curbstones and concrete.

　　施工工艺流程及操作要点

　　Construction process and operation points

　　施工工艺流程

　　Construction process flow

　　1、工艺流程

　　1. Process flow

　　路缘石预制→运输→施工放样→路缘石垫层浇筑→路缘石安装→靠背浇注→养生??

　　Prefabrication of curbstone → transportation → construction layout → pouring of curbstone cushion layer → installation of curbstone → pouring of backrest → curing??

　　2、混凝土路缘石质量要求：

　　2. Quality requirements for concrete curbstones:

　　采用C30混凝土的立沿石，其成型的表面应平整、棱角整齐、无裂纹、色泽一致。其外形尺寸应符合设计要求

　　The vertical edge stone made of C30 concrete should have a smooth surface, neat edges, no cracks, and consistent color. Its external dimensions should meet the design requirements

　　材料与设备

　　Materials and Equipment

　　1、材料

　　1. Materials

　　路缘石材质要求：

　　Material requirements for curbstones:

　　路缘石采用C30混凝土加工而成，混凝土强度必须满足要求，要求其色泽均匀，表面无裂纹，棱角完整，外观一致，无明显斑点、色差，装卸时不准摔、砸、撞、碰，以免造成损伤。

　　The curbstone is made of C30 concrete processing, and the concrete strength must meet the requirements. It is required to have uniform color, no cracks on the surface, complete edges and corners, consistent appearance, no obvious spots or color differences. During loading and unloading, it is not allowed to drop, smash, collide or collide to avoid damage.

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