软粘土地基强夯常用的方法是怎样的呢？下面就让强夯机租赁厂家为您讲解一番吧。

What is the commonly used method for dynamic compaction of soft clay foundation? Let the dynamic compaction machine rental manufacturer explain it for you.

（一）挤密碎石桩加强夯

（1） Compaction crushed stone pile reinforced compaction

挤密碎石桩上部加固作用不如强夯，关于丰满和软土，结合挤密碎石桩加强夯施工，加固作用会十分显着。挤密碎石桩既可起侧向挤密作用又可起竖向排水作用。别的，挤密碎石桩加强夯比单纯挤密碎石桩布桩可，工艺可简化，而其总费用与单纯挤密碎石桩计划比较根本相等或只略高一点，且加固后可满意一般修建、工业厂房、设备根底的承载力和变形要求。

The reinforcement effect of the upper part of the compacted gravel pile is not as good as that of the dynamic compaction. As for the fullness and soft soil, the reinforcement effect will be very significant in combination with the compaction of the compacted gravel pile. The compacted gravel pile can not only play the role of lateral compaction but also play the role of vertical drainage. In addition, the reinforced compaction of compacted gravel pile can be less than that of simple compacted gravel pile, and the process can be simplified. The total cost is basically equal to or slightly higher than that of simple compacted gravel pile plan, and the bearing capacity and deformation requirements of general buildings, industrial plants and equipment foundations can be satisfied after reinforcement.

（二）砂桩加强夯

（2） Sand pile reinforced compaction

砂桩在饱满软土中只起竖向排水作用，因而其整体加密作用比挤密碎石桩加强夯作用要低些，一般可作为大面积场区地基预处理计划。经过处理后可作为一般修建、厂房、路途简略设备地基，关于高重设备则需经过验算，必要时还应辅以设备桩基。

The sand pile only plays the role of vertical drainage in the full soft soil, so its overall compaction effect is lower than that of the compacted gravel pile, which can generally be used as the foundation pretreatment plan in large area. After treatment, it can be used as the foundation for general buildings, plants, roads and simple equipment. For heavy equipment, it needs to be checked and calculated. If necessary, it should be supplemented with equipment pile foundation.

既就是选用部分桩基也比在饱满软土中直接选用桩基要经济得多，由于此刻地基性状经处理后显着改进，桩侧阻力大大提高。了湿陷性、液化对桩基承载力的影响，再考虑桩一土一起作用，整体作用更好。

It is much more economical to select part of the pile foundation than to directly select the pile foundation in the full soft soil. Since the foundation properties are significantly improved after treatment, the pile side resistance is greatly increased. The influence of collapsibility and liquefaction on the bearing capacity of pile foundation is eliminated, and the overall effect is better when considering the pile soil interaction.

（三）真空堆载预压加强夯

（3） Vacuum surcharge preloading reinforced compaction

选用真空预压或堆载预压处理软地基的较多。该工艺相对直接选用桩基等计划造价低，可是周期很长，一般需求近一年乃更长，且加固作用仅能到达80-l00kPa。

Vacuum preloading or surcharge preloading is often used to treat soft foundation. This process is relatively low in cost compared with the direct selection of pile foundation and other plans, but it has a long period, generally needs nearly one year or even longer, and the reinforcement effect can only reach 80-100kpa.

依据预压S-T曲线剖析发现，一般情况下堆载预压沉降量在开始的3个月发作多，约占30%-50%，假如工期要求特别急迫，此前可在软基中设置袋装砂井，在地表铺设必定厚度的碎石土，既有利于构成横向排水通道，又便于施工机具行走，就可以选用小能量强夯加固硬壳层，软基的其余部分沉降。

According to the analysis of preloading S-T curve, it is found that in general, the settlement of surcharge preloading occurs frequently in the first three months, accounting for about 30% - 50%. If the construction period is particularly urgent, bagged sand wells can be set in the soft foundation before, and gravel soil with a certain thickness can be laid on the surface, which is conducive to forming a horizontal drainage channel and facilitating the walking of construction machines and tools. Therefore, small energy dynamic compaction can be used to reinforce the hard shell layer and eliminate the settlement of the rest of the soft foundation.

（四）强夯碎石墩

（4） Dynamic compaction gravel pier

强夯碎石墩工艺是将一般强夯的夯锤平底面改构成尖锥形底面，直径缩小，将其吊起后砸入地基内，构成锥状夯坑，将夯锤拔出后向夯坑内填注碎石构成碎石墩，再次夯击，将碎石墩的碎石夯击挤入软土中，起到置换和加固作用。

The process of dynamic compaction of gravel pier is to change the flat bottom surface of the general dynamic compaction hammer into a pointed cone-shaped bottom surface, reduce the diameter, lift it and hit it into the foundation to form a cone-shaped tamping pit. After the hammer is pulled out, fill the tamping pit with gravel to form a gravel pier, and then tamp again to squeeze the gravel of the gravel pier into the soft soil to play the role of replacement and reinforcement.

软粘土地基强夯常用的方法就是上述所讲解的四种了，如果您对此有什么疑问的话，就来我们网站http://www.sddhfjx.cn咨询了解吧。

The commonly used methods for dynamic compaction of soft clay foundation are the four methods explained above. If you have any questions about this, please come to our website http://www.sddhfjx.cn Consult and understand.