| 路缘石 |
| 添加时间：2017/12/29 17:04:33 浏览次数： |
| 路缘石宜由加工厂生产，并应提供产品强度、规格尺寸等技术资料及产品合格证。 The road edge stone should be produced by the processing plant, and should provide the technical data of the product strength, size and size, and the product qualification certificate. 路缘石宜采用石材或预制混凝土标准块。路口、隔离带端部等曲线段路缘石，宜按设计弧形加工预制，也可采用小标准块。 Stone or precast concrete standard block should be used for road edge stone. The edge of the intersection, the end of the isolation belt and other curved lines should be precast according to the design arc, and the small standard block can be used. 石质路缘石应采用质地坚硬的石料加工，强度应符合设计要求，宜选用花岗石。 Stone road edge stone should be processed with hard rock material, the strength should conform to the design requirements, suitable for the selection of granite. 1、剁斧加工石质路缘石允许偏差应符合表 1的规定。 1. The allowable deviation of chopping axe to process stone edge stones should be in accordance with the provisions of Table 1. 表 1 剁斧加工石质路缘石允许偏差 Table 1 allowable deviations for stone axe stone 项目 project 允许偏差 Permissible deviation 外形尺寸（mm） Shape size (mm) 长 long ±5 + 5 宽 wide ±2 + 2 厚（高） Thick (high) ±2 + 2 外露面细石面平整度（mm） Flatness of surface fine stone surface (mm) 3 Three 对角线长度差（mm） Diagonal length difference (mm) ±5 + 5 剁斧纹路 Chopping axe 应直顺、无死坑 A straight, no death pit 2、机具加工石质路缘石允许偏差应符合表 2的规定。 2. The allowable deviation of the stone road edge stone to be processed by machine tools shall be in accordance with the provisions of Table 2. 表 2 机具加工石质路缘石允许偏差 Table 2 allowable deviation of stone road edge stone processed by machine tools 项目 project 允许偏差（mm） Permissible deviation (mm) 外形尺寸 Shape size 长 long ±4 + 4 宽 wide ±1 + 1 厚（高） Thick (high) ±2 + 2 对角线长度差 Diagonal length difference ±4 + 4 外露面平整度 Surface evenness 2 Two 3、预制混凝土路缘石应符合下列规定： 3. The precast concrete road stones shall be in accordance with the following provisions: 3.1混凝土强度等级应符合设计要求。设计未规定时，不得小于C30。路缘石弯拉与抗压强度应符合表3-1的规定。 3.1 the strength grade of concrete should conform to the design requirements. When the design is not specified, it shall not be less than C30. The flexure and compressive strength of the road edge stones should be in accordance with the provisions of table 3-1. 表3-1 路缘石弯拉与抗压强度 Table 3-1 bends and compressive strength 直线路缘石 Linear marginal stone 直线路缘石（含圆型、L型） Linear marginal stone (including round, L) 弯拉强度（MPa） Flexural tensile strength (MPa) 抗压强度（MPa） Compressive strength (MPa) 强度等级Cf Strength grade Cf 平均值 average value 单块最小值 Single block minimum 强度等级Cc Strength grade Cc 平均值 average value 单块最小值 Single block minimum Cf 3.0 Cf 3 ≥3.00 More than 3 ≥2.40 More than 2.40 Cc 30 Cc 30 ≥30.0 More than 30 24.0 Twenty-four Cf 4.0 Cf 4 ≥4.00 More than 4 ≥3.20 More than 3.20 Cc 35 Cc 35 ≥35.0 More than 35 28.0 Twenty-eight Cf 5.0 Cf 5 ≥5.00 More than 5 ≥4.00 More than 4 Cc 40 Cc 40 ≥40.0 More than 40 32.0 Thirty-two 注：直线路缘石用弯拉强度控制，L型或弧形路缘石用抗压强度控制。 Note: the linear edge stone is controlled by the flexural strength, and the L or arc edge stones are controlled by the compressive strength. 3.2路缘石吸水率不得大于8％。有抗冻要求的路缘石经50次冻融试验（D50）后，质量损失率应小于3％，抗盐冻性路缘石经ND25次试验后，质量损失应小于0.5kg/m2。 The water absorption of 3.2 road stones should not be more than 8%. Have the edge of the road were required 50 times freeze-thaw antifreeze test (D50), the mass loss rate is less than 3%, the edge of the road frost and salt resistance via ND25 test, weight loss should be less than 0.5kg/m2. 3.3预制混凝土路缘石加工尺寸允许偏差应符合表3-2的规定。 3.3 the allowable deviation of the processing size for precast concrete rlimbus stones shall be in accordance with the provisions of table 3-2. 表3-2 预制混凝土路缘石加工尺寸允许偏差 Table 3-2 tolerances for processing size of precast concrete rlimbus stones 项目 project 允许偏差（mm） Permissible deviation (mm) 长度 length ﹢5 5 ﹣3 3 宽度 width ﹢5 5 ﹣3 3 高度 height ﹢5 5 ﹣3 3 平整度 Planeness 3 Three 垂直度 Verticality ≤3 Less than or equal to 3 3.4预制混凝土路缘石外观质量允许偏差应符合表3-4的规定。 3.4 the allowable deviation of the appearance quality of prefabricated concrete road stones shall be in accordance with the provisions of table 3-4. 表3-4 预制混凝土路缘石外观质量允许偏差 Table 3-4 the permissible deviation of the appearance quality of precast concrete rlimbus stones 项目 project 允许偏差 Permissible deviation 缺棱掉角影响顶面或正侧面的破坏最大投影尺寸（mm） Maximum projection size (mm) that affects the maximum damage of the top or the front side. ≤15 Less than or equal to 15 面层非贯穿裂纹最大投影尺寸（mm） Maximum projection size (mm) of non penetrating crack in surface layer ≤10 Less than or equal to 10 可视面粘皮（脱皮）及表面缺损最大面积（mm2） Visually visually sticky skin (desquamation) and the maximum area of surface defect (mm2) ≤30 Less than or equal to 30 贯穿裂纹 Perforated crack 不允许 Not allow 分层 Layered 不允许 Not allow 色差、杂色 Color difference and color 不明显 Not obvious 4、路缘石基础宜与相应的基层同步施工。 4, the foundation of the road edge stone should be synchronized with the corresponding base. 5、安装路缘石的控制桩，直线段桩距宜为10～15m；曲线段桩距宜为5～10m；路口处桩距宜为1～5m。 5. To install the control pile of the road stone, the length of the straight line is 10 ~ 15m, the distance of the curve section is 5 ~ 10m, and the pile distance at the intersection should be 1 ~ 5m. 6、路缘石应以干硬性砂浆铺砌，砂浆应饱满、厚度均匀。路缘石砌筑应稳固、直线段顺直、曲线段圆顺、缝隙均匀；路缘石灌缝应密实，平缘石表面应平顺不阻水。 6, the road edge stone should be paved with dry mortar, the mortar should be full and the thickness is uniform. The road edge stone masonry should be stable, straight line section, curve section round, uniform gap, road edge stone grouting seam should be dense, flat edge stone surface should be smooth and unobstructed water. 7、路缘石背后宜浇筑水泥混凝土支撑，并还土夯实。还土夯实宽度不宜小于50cm，高度不宜小于15cm，压实度不得小于90％。 7, road edge stone behind the construction of cement concrete support, and also Rammed Soil. The ramming width should not be less than 50cm, and the height should not be less than 15cm, and the degree of compaction should not be less than 90%. 8、路缘石宜采用M10水泥砂浆灌缝。灌缝后，常温期养护不得少于3d。 8, road edge stone should be sewed with M10 cement mortar. After filling, the maintenance should not be less than 3D at normal temperature. 检验标准 Test standard 1、路缘石安砌质量检验应符合下列规定： 1. The quality inspection of the road edge stone should be in accordance with the following provisions: 主控项目 Main control project 1.1混凝土路缘石强度应符合设计要求。 1.1 the strength of concrete rlimbus stones should meet the design requirements. 检查数量：每种、每检验批1组（3块）。 Check number: 1 groups (3 pieces) for each and each test. 检验方法：查出厂检验报告。 Inspection method: check out the factory inspection report. 一般项目 General project 1.2路缘石应砌筑稳固、砂浆饱满、勾缝密实，外露面清洁、线条顺畅，平缘石不阻水。 1.2 curbs should be stable, masonry mortar full, pointing dense, appearance, clean lines and smooth, flat stone is not water. 检查数量：全数检查。 Check the number: full check. 检验方法：观察。 Test method: observation. 1.3立缘石、平缘石安砌允许偏差应符合表1.1的规定。 The allowable deviations of the 1.3 erect margin stones and the flat margin stones should be in accordance with the provisions of Table 1.1. 表1.1 立缘石、平缘石安砌允许偏差 Table 1.1 allowable deviation of erect margin stone and flat edge stone 项目 project 允许偏差（mm） Permissible deviation (mm) 检验频率 Test frequency 检验方法 Test method 范围（m） Scope (m) 点数 Point 直顺度 Straight degree ≤10 Less than or equal to 10 100 One hundred 1 One 用20m线和钢尺量① With the 20m line and ruler of 1. 相邻块高差 Adjacent block height difference ≤3 Less than or equal to 3 20 Twenty 1 One 用钢板尺和塞尺量① With the steel ruler and the feeler of quantity 缝宽 Seam width ±3 + 3 20 Twenty 1 One 用钢尺量① With the ruler of 1. 顶面高程 Top elevation ±10 + 10 20 Twenty 1 One 用水准仪测量 Measuring with a level 注：1 ①示随机抽样，量3点取最大值； Note: 1 (1) the random sampling was given, and the maximum was taken at 3 points. 2 曲线段缘石安装的圆顺度允许偏差应结合工程具体制定。 The allowable deviation of the roundness of the 2 curve segments should be formulated in combination with the project. |
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