土方回填质量标准
合集下载
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
General 1 Item
2
3
Elevation -50
±30
±50
-50 -50
Level
instrument
Layered
>=0.95
According to
compaction
set method
coefficient
Backfill
Free of organic/rubbish material.
<200
3-4
压实机具 平碾
振动压实机 柴油打夯机
人工打夯
填土施工时的分隔厚度及压实遍数
分层厚度 (mm)
每层压实遍数
250-300
6-8
250-350
3-4
250-250
3-4
<200
3-4
4. Upon the completion of the backfill work, the site level/grade of side
and water
or sample
content
inspection
Surface
20
20
30
20
20
Running rule
evenness
or
level
instrument
填土工程质量检验标准 (mm)
允许偏差
项
序 检查项目
桩基基
场地平
地（路） 检查方法
坑基槽 整
管沟
面基础层
人工 机械
1
标高
-50
slope/degree of compaction need to be checked according to the standard
listed in below table 填方施工结束后，应检查标高、边坡坡度、压实程度等，检查标准应符合下表规定:
Quality Inspection Standard for backfill work (mm)
Sample test
material
or intuitive
identification
Layer
Layer thickness: please refer the table above;
Level
thickness Water content: Silt soil 15%; Silty Clay 19%; Clay 25% instrument
Backfill Quality Check Standard
土方回填质量验收标准
1. All waste material/tree roots/ponding/sludge should be cleared out before
backfill work starts. Also the base level needs to be checked prior to any
20
用靠尺或水准仪
Fra Baidu bibliotek
be found, then please abide by the following regulation: 填方施工过程中应检查排水措施、每层填筑厚度、含水量控制、压实程度。填筑厚度及
压实遍数应根据土质、压实系数及所用机具确定。如无试验依据，应符合下表规定。
Layer thickness and compaction times during backfill work
Compaction Method
Layer Thickness (mm)
Compaction Times on each Layer
Smooth-wheel roller
250-300
6-8
Vibrating compactor
250-350
3-4
Diesel rammers
250-250
3-4
Manuel compaction
layer/water content/degree of compaction need to be checked. The backfill
layer thickness and compaction times should be determined by soil
texture/compacting factor/machines and tools. If no previous test data can
Item
No Check
Allowable Deviation
Test
Items
Pile
Site leveling
Pipe Ground(Road) Methods
foundation Manuel Machine ditch base level
or groove
Dominant 1 Item
2
2. The backfill material always needs to be inspected according to design
requirement first before backfill. 对填方土料应按设计要求验收后方可填入。
3. During the backfill process, drainage method/thickness of each backfill
±30 ±50 -50
-50
主控项目
2
分层压实系数
>=0.95
水准仪 按规定方法
一般项目
1
回填土料
没有有机及垃圾材料
取样检查或 直观鉴别
2
分层厚度及含水率 分层厚度: 请参考上表;
水准仪及抽样检查
含 水 率 : 粉 土 15%; 粉 质 粘 土 19%; 粘 土
25%
3
表面平整度
20
20 30 20
further works, and compaction is necessary to be carried out first if the land
is plough land or loosen soil. 土方回填前应清楚基底的垃圾、树根等杂物，抽除坑穴积水、淤泥，验收基底标高，如
在耕植土或松土上填方，应在基底压实后再进行。
2
3
Elevation -50
±30
±50
-50 -50
Level
instrument
Layered
>=0.95
According to
compaction
set method
coefficient
Backfill
Free of organic/rubbish material.
<200
3-4
压实机具 平碾
振动压实机 柴油打夯机
人工打夯
填土施工时的分隔厚度及压实遍数
分层厚度 (mm)
每层压实遍数
250-300
6-8
250-350
3-4
250-250
3-4
<200
3-4
4. Upon the completion of the backfill work, the site level/grade of side
and water
or sample
content
inspection
Surface
20
20
30
20
20
Running rule
evenness
or
level
instrument
填土工程质量检验标准 (mm)
允许偏差
项
序 检查项目
桩基基
场地平
地（路） 检查方法
坑基槽 整
管沟
面基础层
人工 机械
1
标高
-50
slope/degree of compaction need to be checked according to the standard
listed in below table 填方施工结束后，应检查标高、边坡坡度、压实程度等，检查标准应符合下表规定:
Quality Inspection Standard for backfill work (mm)
Sample test
material
or intuitive
identification
Layer
Layer thickness: please refer the table above;
Level
thickness Water content: Silt soil 15%; Silty Clay 19%; Clay 25% instrument
Backfill Quality Check Standard
土方回填质量验收标准
1. All waste material/tree roots/ponding/sludge should be cleared out before
backfill work starts. Also the base level needs to be checked prior to any
20
用靠尺或水准仪
Fra Baidu bibliotek
be found, then please abide by the following regulation: 填方施工过程中应检查排水措施、每层填筑厚度、含水量控制、压实程度。填筑厚度及
压实遍数应根据土质、压实系数及所用机具确定。如无试验依据，应符合下表规定。
Layer thickness and compaction times during backfill work
Compaction Method
Layer Thickness (mm)
Compaction Times on each Layer
Smooth-wheel roller
250-300
6-8
Vibrating compactor
250-350
3-4
Diesel rammers
250-250
3-4
Manuel compaction
layer/water content/degree of compaction need to be checked. The backfill
layer thickness and compaction times should be determined by soil
texture/compacting factor/machines and tools. If no previous test data can
Item
No Check
Allowable Deviation
Test
Items
Pile
Site leveling
Pipe Ground(Road) Methods
foundation Manuel Machine ditch base level
or groove
Dominant 1 Item
2
2. The backfill material always needs to be inspected according to design
requirement first before backfill. 对填方土料应按设计要求验收后方可填入。
3. During the backfill process, drainage method/thickness of each backfill
±30 ±50 -50
-50
主控项目
2
分层压实系数
>=0.95
水准仪 按规定方法
一般项目
1
回填土料
没有有机及垃圾材料
取样检查或 直观鉴别
2
分层厚度及含水率 分层厚度: 请参考上表;
水准仪及抽样检查
含 水 率 : 粉 土 15%; 粉 质 粘 土 19%; 粘 土
25%
3
表面平整度
20
20 30 20
further works, and compaction is necessary to be carried out first if the land
is plough land or loosen soil. 土方回填前应清楚基底的垃圾、树根等杂物，抽除坑穴积水、淤泥，验收基底标高，如
在耕植土或松土上填方，应在基底压实后再进行。